US2140213A
Expired / Lapsed
US
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Method and apparatus for making thermoplastic tubing
Assignee: THERMO PLASTICS Inc
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Filing: 1937-07-07
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Granted: 1938-12-13
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Expires: 1957-07-07
Abstract
No abstract record available.
Inventors
- 👤 John B Tegarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:53
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/48; B29C65/4895; B29C53/00; B29C53/02; B29C53/04; B29C53/043; B29C53/16; B29C53/20; B29C53/36; B29C53/38; B29C53/48; B29C53/50; B29C55/00; B29C55/30; B29C66/00; B29C66/01; B29C66/02; B29C66/022; B29C66/0222; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C66/80; B29C66/83; B29C66/836; B29C66/05; B29C66/10; B29C66/11; B29C66/114; B29C66/1142; B29C66/70; B29C66/71; B29K; B29K2001/00; B29K2001/08; B29K2001/12; Y; Y10; Y10S; Y10S264/00; Y10S264/66; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/1013; Y10T156/1043
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) | 1941-12-12 | 1942-06-13 | 1942-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-12-12 | 1946-06-13 | 1946-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-12-12 | 1950-06-13 | 1950-12-13 | $7700.00 | Window Closed / Lapsed |