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Patent US2665298A successfully refreshed from Google Patents.
US2665298A
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Stabilized compositions comprising monomeric 1, 1-dicyano ethylene
Assignee: Goodrich Corp
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Filing: 1952-05-07
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Granted: 1954-01-05
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Expires: 1972-05-07
Abstract
No abstract record available.
Inventors
- 👤 Alan E Ardis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:13
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A COMPOSITION COMPRISING CRUDE UNSTABLE MONOMERIC 1,1-DICYANO ETHYLENE AND, AS A STABILIZER THEREFOR, A COMPOUND OF THE STRUCTURE
Claim 2
Dependent Claim
18 words
A COMPOSITION COMPRISING CRUDE UNSTABLE MONOMERIC 1,1-DICYANO ETHYLENE AND, AS A STABILIZER THEREFOR, A COMPOUND OF THE STRUCTURE
References Cited (Backward Citations)
US2476270A
Cited
US2535827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |