US2611765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolymers of alpha-acyloxyacrylonitriles
Assignee: Eastman Kodak Co
•
Filing: 1950-08-18
•
Granted: 1952-09-23
•
Expires: 1970-08-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Dickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:23
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A RESINOUS INTERPOLYMER COMPRISING FROM 5 TO 95 PER CENT BY WEIGHT OF AN A-ACYLOXYACRYLONITRILE SELECTED FROM THOSE REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim
24 words
A RESINOUS INTERPOLYMER COMPRISING FROM 5 TO 95 PER CENT BY WEIGHT OF AN A-ACYLOXYACRYLONITRILE SELECTED FROM THOSE REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
References Cited (Backward Citations)
US2469836A
Cited
US2395930A
Cited
US2464120A
Cited
US2453824A
Cited
US2472811A
Cited
US2537881A
Cited
US2475423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |