Patent US2146756A successfully refreshed from Google Patents.
US2146756A
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US
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Permanent hose coupling
Assignee: FLEX O TUBE Co
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Filing: 1938-01-06
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Granted: 1939-02-14
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Expires: 1958-01-06
Abstract
No abstract record available.
Inventors
- 👤 William H Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:20
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/20; F16L33/213; Y; Y10; Y10T; Y10T24/00; Y10T24/49; Y10T29/00; Y10T29/53; Y10T29/5367
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) | 1942-02-13 | 1942-08-15 | 1943-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-02-13 | 1946-08-15 | 1947-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-02-13 | 1950-08-15 | 1951-02-14 | $7700.00 | Window Closed / Lapsed |