US3157622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous compositions
Assignee: General Electric Co
•
Filing: 1961-01-03
•
Granted: 1964-11-17
•
Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Eugene P Goldberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:27
CPC Classifications
C; C08; C08G; C08G64/00; C08G64/02; C08G64/0208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A LINEAR, HIGH MOLECULAR WEIGHT CARBONATE POLYMER CONSISTING OF RECURRING STRUCTUREAL UNITS OF THE FORMULA
Claim 2
Dependent Claim
15 words
A LINEAR, HIGH MOLECULAR WEIGHT CARBONATE POLYMER CONSISTING OF RECURRING STRUCTUREAL UNITS OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |