US2992957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber articles resistant to oil
Assignee: Goodrich Corp
•
Filing: 1956-01-04
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Granted: 1961-07-18
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Expires: 1976-01-04
Abstract
No abstract record available.
Inventors
- 👤 Edwin M Maxey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:43
CPC Classifications
B; B29; B29C; B29C37/00; B29C37/0025; B29C35/00; B29C35/02; B29C70/00; B29C70/58; B29C70/64; B29K; B29K2021/00; B29K2027/00; B29K2027/06; Y; Y10; Y10S; Y10S206/00; Y10S206/819; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1036; Y10T156/1038; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T428/31833
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
45 words
THE METHOD WHICH COMPRISES APPLYING TO SUBSTANTIALLY THE ENTIRE SURFACE OF A SHEET OF UNVULCANIZED NITRILLE RUBBER A LAYER OF FINE PARTICLES OF AN UNPLASTICIZED POLYMER IN WHICH THE PREDOMINANT MONOMER IS A HALOETHYLENE HAVING FROM 1 TO 2 HALOGEN ATOMS ON ONLY ONE CARBON
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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) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |