US3207707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrogen containing polymers
Assignee: General Electric Co
•
Filing: 1963-04-29
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Granted: 1965-09-21
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Expires: 1983-04-29
Abstract
No abstract record available.
Inventors
- 👤 Johann F Klebe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:48
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; C08G73/0273; C08G73/06; C08G73/0622; C08G73/0633
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
14 words
A POLYMERIC COMPOSITION IN WHICH THE RECURRING UNITS ARE ESSENTIALLY UNITS OF THE FORMULA
Claim 2
Dependent Claim
14 words
A POLYMERIC COMPOSITION IN WHICH THE RECURRING UNITS ARE ESSENTIALLY UNITS OF THE FORMULA
Claim 3
Dependent Claim
8 words
THE PROCESS FOR MAKING POLYMERS OF THE FORMULA
Claim 4
Dependent Claim
8 words
THE PROCESS FOR MAKING POLYMERS 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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |