US3414537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of polyamides
Assignee: Stamicarbon BV
•
Filing: 1966-02-02
•
Granted: 1968-12-03
•
Expires: 1986-02-02
Abstract
No abstract record available.
Inventors
- 👤 Gerardus P Dikotter
- 👤 Arnoldus A W Schaapveld
- 👤 Pierre J Franssen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:36
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0091
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2720527A
Cited
US2705227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |