Patent US2615877A successfully refreshed from Google Patents.
US2615877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers of vinylidene cyanide with 2-mono-halogenated monoolefins
Assignee: Goodrich Corp
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Filing: 1950-08-25
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Granted: 1952-10-28
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Expires: 1970-08-25
Abstract
No abstract record available.
Inventors
- 👤 Vernon L Folt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:56
CPC Classifications
C; C08; C08F; C08F22/00; C08F22/30; C08F22/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A COPOLYMER OF VINYLIDENE CYANIDE AND A COMPOUND OF THE STRUCTURE
Claim 2
Dependent Claim
11 words
A COPOLYMER OF VINYLIDENE CYANIDE AND A COMPOUND OF THE STRUCTURE
References Cited (Backward Citations)
US2466395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |