Patent US3663288A successfully refreshed from Google Patents.
US3663288A
Expired / Lapsed
US
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Physiologically acceptible elastomeric article
Assignee: Wyeth Holdings LLC
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Filing: 1969-09-04
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Granted: 1972-05-16
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Expires: 1989-09-04
Abstract
Abstract There is provided improved synthetic articles of manufacture which are physiologically acceptable when utilized in warmblooded animals as medical devices. The articles of manufacture comprise extensible substrates coated with poly(acrylic acid) or poly(methacrylic acid).
Inventors
- 👤 Mary Lucy Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:53
CPC Classifications
A; A61; A61L; A61L29/00; A61L29/08; A61L29/085; A61L33/00; A61L33/06; A61L33/064; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31667; Y10T428/31855; Y10T428/31931
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
14 words
An article of manufacture according to claim 1 in the form of a catheter.
Claim 2
Dependent Claim
14 words
An article of manufacture according to claim 1 wherein said coating is poly(acrylic acid).
Claim 3
Dependent Claim
14 words
An article of manufacture according to claim 2 wherein said coating is poly(acrylic acid).
Claim 4
Dependent Claim
14 words
An article of manufacture according to claim 1 wherein said coating is poly(methacrylic acid).
Claim 5
Dependent Claim
14 words
An article of manufacture according to claim 2 wherein said coating is poly(methacrylic acid).
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |