US3485803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organometallic polyamides
Assignee: Centre National de la Recherche Scientifique
•
Filing: 1965-09-30
•
Granted: 1969-12-23
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Expires: 1985-09-30
Abstract
No abstract record available.
Inventors
- 👤 Pierre Mazerolles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:50
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/42; C08G69/02; C08G69/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2628244A
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US2754284A
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US2722524A
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US2913433A
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GB916260A
Cited
US3247167A
Cited
US3392143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |