Patent US2008649A successfully refreshed from Google Patents.
US2008649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aliphatic poly-amides and process
Assignee: —
•
Filing: —
•
Granted: 1935-07-16
•
Expires: 1952-07-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:45
CPC Classifications
C; C10; C10M; C10M133/00; C10M133/02; C10M133/30; C10M133/36; C07; C07C; C07C303/00; C07C303/02; C07C303/04; C07C303/06; C07C309/00; C07C309/01; C07C309/28; C07C309/45; C07C309/52; C07C309/53; C07C309/54; C07C309/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-07-15 | 1939-01-14 | 1939-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-07-15 | 1943-01-14 | 1943-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-07-15 | 1947-01-14 | 1947-07-16 | $7700.00 | Window Closed / Lapsed |