Patent US3549651A successfully refreshed from Google Patents.
US3549651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of enhancing the crystalline uniformity of a linear polyamide composition and the polyamide composition resulting from said process
Assignee: Honeywell International Inc
•
Filing: 1967-03-28
•
Granted: 1970-12-22
•
Expires: 1987-03-28
Abstract
No abstract record available.
Inventors
- 👤 Hendrikus J Oswald
- 👤 Annemarie C Reimschuessel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:08
CPC Classifications
C; C08; C08K; C08K5/00; C08K13/00; C08K13/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2816875A
Cited
US2927906A
Cited
US3080345A
Cited
US3368992A
Cited
US3261800A
Cited
US3156665A
Cited
US3214414A
Cited
US3371055A
Cited
US3361701A
Cited
US3404117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |