US2666754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction product of silicon monoxide and ammonia and rubber compositions containing the same
Assignee: Goodrich Corp
•
Filing: 1950-05-26
•
Granted: 1954-01-19
•
Expires: 1970-05-26
Abstract
No abstract record available.
Inventors
- 👤 Daniel S Sears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:21
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/28; C08L; C08L21/00; C08L83/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
11 words
A FINELY-DIVIDED AMORPHOUS COMPOSITION OF MATTER COMPRISING A POLYMERIC SILICON OXYIMIDE,
Claim 2
Dependent Claim
11 words
A FINELY-DIVIDED AMORPHOUS COMPOSITION OF MATTER COMPRISING A POLYMERIC SILICON OXYIMIDE,
Claim 3
Dependent Claim
15 words
AN ELASTROMERIC COMPOSITION COMPRISING A DIVIDED AMORPHOUS COMPOSITION OF MATTER COMPRISING A POLYMERIC SILICON OXYIMIDE.
Claim 4
Dependent Claim
15 words
AN ELASTROMERIC COMPOSITION COMPRISING A DIVIDED AMORPHOUS COMPOSITION OF MATTER COMPRISING A POLYMERIC SILICON OXYIMIDE.
References Cited (Backward Citations)
US2428252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |