Patent US3252933A successfully refreshed from Google Patents.
US3252933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixture of copolymers of nitrile-monoolefin and nitrile-diene
Assignee: Standard Oil Co
•
Filing: 1963-06-21
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Granted: 1966-05-24
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Expires: 1983-06-21
Abstract
No abstract record available.
Inventors
- 👤 Kim Chung Sul Youn
- 👤 Linda M Wick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:56
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/18; C08L33/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
THE FILM-FORMING COMPOSITION COMPRISING A BLEND OF (A) A LATEX OF A RESINOUS COPOLYMER OF (1) A NITRILE HAVING THE STRUCTURE
Claim 2
Dependent Claim
21 words
THE FILM-FORMING COMPOSITION COMPRISING A BLEND OF (A) A LATEX OF A RESINOUS COPOLYMER OF (1) A NITRILE HAVING THE STRUCTURE
References Cited (Backward Citations)
US2731060A
Cited
US2821514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |