Patent US2616129A successfully refreshed from Google Patents.
US2616129A
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US
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Manufacture of corrugated or convolute hose and to means therefor
Assignee: John Bull Rubber Co Ltd
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Filing: 1949-03-01
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Granted: 1952-11-04
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Expires: 1969-03-01
Abstract
No abstract record available.
Inventors
- 👤 Burton Hubert Henry
- 👤 Goodman Leslie Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:13
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/18; B29C; B29C49/00; B29C49/0042; B29K; B29K2021/00; B29L; B29L2023/00; B29L2023/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US335935A
Cited
US2007548A
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US2073335A
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US2248898A
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US2299520A
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US2384056A
Cited
US2446281A
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US2410936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |