US2452047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction of flexible hose
Assignee: Individual
•
Filing: 1943-05-01
•
Granted: 1948-10-26
•
Expires: 1963-05-01
Abstract
No abstract record available.
Inventors
- 👤 Clyde M Hamblin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:48
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US192079A
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US374133A
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US583379A
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CH13688A
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US848238A
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US1718468A
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US1974285A
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US1991509A
Cited
US2260816A
Cited
US2340794A
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US2337373A
Cited
US2337374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |