Patent US2045540A successfully refreshed from Google Patents.
US2045540A
Expired / Lapsed
US
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Manufacture of flexible tubes
Assignee: Chicago Tubing & Braiding Co
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Filing: 1933-05-11
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Granted: 1936-06-23
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Expires: 1953-05-11
Abstract
No abstract record available.
Inventors
- 👤 Debenedetti Rodolfo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:23
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; F; F16; F16L; F16L11/00; F16L11/04; F16L11/10; B29K; B29K2021/00; B29K2105/00; B29K2105/06; B29L; B29L2009/00; B29L2009/003; B29L2023/00; B29L2023/005
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) | 1939-06-23 | 1939-12-23 | 1940-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-23 | 1943-12-23 | 1944-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-23 | 1947-12-23 | 1948-06-23 | $7700.00 | Window Closed / Lapsed |