Patent US2912043A successfully refreshed from Google Patents.
US2912043A
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US
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Method and apparatus for continuous manufacture of composite tubes
Assignee: Tudor AB
•
Filing: 1954-12-14
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Granted: 1959-11-10
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Expires: 1974-12-14
Abstract
No abstract record available.
Inventors
- 👤 Bargholtz Hubert Fritz Simon
- 👤 Lindbergh Karl Eric Einar
- 👤 Strom Nils Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:50
CPC Classifications
B; B29; B29C; B29C63/00; B29C63/02; B29C63/04; B29C63/06; B29C63/065; B29C53/00; B29C53/36; B29C53/38; B29C53/385; B29C53/48; B29C53/50; Y; Y10; Y10S; Y10S425/00; Y10S425/055; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/101; Y10T156/1013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1271370A
Cited
US2091517A
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US2145636A
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US2140213A
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US2257823A
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US2372645A
Cited
US2445703A
Cited
US2422188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |