US3573216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heterocyanoacrylate u.v. absorbers
Assignee: GAF Corp
•
Filing: 1967-01-24
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Granted: 1971-03-30
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Expires: 1987-01-24
Abstract
Abstract U.V.-DEGRADABLE ORGANIC MATERIAL CONTAINING AN AMOUNT SUFFICIENT TO PREVENT SUCH DEGRADATION OF CERTAIN HETEROCYANOACRYLATE U.V. ABSORBERS.
Inventors
- 👤 Albert F Strobel
- 👤 Sigmund C Catino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:07
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/20; G02B5/22; G02B5/223; C; C07; C07D; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/24; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/36; C08K5/45; C09; C09K; C09K15/00; C09K15/04; C09K15/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |