Patent US3066119A successfully refreshed from Google Patents.
US3066119A
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US
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Polymers and copolymers of diacetylenes
Assignee: Wyeth Holdings LLC
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Filing: 1959-04-01
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Granted: 1962-11-27
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Expires: 1979-04-01
Abstract
No abstract record available.
Inventors
- 👤 Lewis S Meriwether
- 👤 Elisabeth C Colthup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:10
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/24; B01J31/2404; B01J31/20; C; C07; C07C; C07C11/00; C07C11/22; C07C13/00; C07C13/28; C07C13/32; C07C13/45; C07C13/465; C07C13/47; C07C13/48; C07C2/00; C07C2/02; C07C2/04; C07C2/38; C08; C08F; C08F10/00; B01J2531/00; B01J2531/80; B01J2531/84; B01J2531/847; C07C2531/00; C07C2531/16; C07C2531/24; C07C2602/00; C07C2602/02; C07C2602/04; C07C2602/08; C07C2602/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A SUBSTANTIALLY LINEAR POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 1000 AND REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
17 words
A SUBSTANTIALLY LINEAR POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 1000 AND REPRESENTED BY THE FORMULA:
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |