Patent US2169315A successfully refreshed from Google Patents.
US2169315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinning thermoplastic materials
Assignee: Union Carbide Corp
•
Filing: 1935-07-26
•
Granted: 1939-08-15
•
Expires: 1955-07-26
Abstract
No abstract record available.
Inventors
- 👤 Yngve Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:27
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/06; B29C65/0681; B29C57/00; B29C65/56; B29C65/567; B29C65/568; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/12; B29C66/122; B29C66/1222; B29C66/1224; B29C66/13; B29C66/131; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5346; B29C66/61; B29C66/612; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81421; B29C66/81423; B29C66/83; B29C66/832; B29C66/8322; B29C2793/00; B29C2793/009; B29C35/00; B29C35/02; B29C35/0255; Y; Y10; Y10S; Y10S264/00; Y10S264/66; Y10S264/76; Y10S425/00; Y10S425/022; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T29/00; Y10T29/51; Y10T29/519
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1942-08-14 | 1943-02-13 | 1943-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-08-14 | 1947-02-13 | 1947-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-08-14 | 1951-02-13 | 1951-08-15 | $7700.00 | Window Closed / Lapsed |