Deeper Knowledge, Faster

  • Analyze global market entry opportunities
  • Identify first generic entrants
  • Uncover prior art in expired and abandoned patents

Upgrade to enjoy subscriber-only features like email alerts and data export. See the Plans and Pricing

Serving leading biopharmaceutical companies globally:

Fish and Richardson
Cantor Fitzgerald
Boehringer Ingelheim
Federal Trade Commission

Generated: December 12, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,393,871

« Back to Dashboard

Summary for Patent: 4,393,871

Title: Vaginal device
Abstract:A vaginal device adapted for insertion and placement in the human vaginal cavity and subsequent removal therefrom for the administration of spermicide or a variety of medications such as anti-infectives, anti-inflammatories, estrogens, progestogens, and the like. When used as a contraceptive, the vaginal device covers/blocks the cervix, soaks up and traps sperm, and slowly releases a spermicide.
Inventor(s): Vorhauer; Bruce W. (Irvine, CA), Dobbie, Jr.; Thomas A. (Newport Beach, CA)
Assignee: VLI Corporation (Costa Mesa, CA)
Application Number:06/249,228
Patent Claim Types:
see list of patent claims
Device; Delivery; Use; Compound;

No matches for this query

International Patent Family for Patent: 4,393,871

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia3746778► Subscribe
Australia522989► Subscribe
Australia549236► Subscribe
Australia6426780► Subscribe
Canada1122900► Subscribe
Canada1163886► Subscribe
Germany2862302► Subscribe
European Patent Office0006861► Subscribe
European Patent Office0029708► Subscribe
Spain267081► Subscribe
This preview shows a limited data set
Subscribe for full access, or try a Trial

The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

Export unavailable in trial.
Subscribe for complete access.

For more information try a trial or see the plans and pricing

Serving leading biopharmaceutical companies globally:

Federal Trade Commission
Johnson and Johnson
Farmers Insurance

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

Copyright 2002-2017 thinkBiotech LLC
ISSN: 2162-2639

Secure SSL Encrypted
Privacy and Cookies
Terms & Conditions

Follow DrugPatentWatch: