Patent US2472455A successfully refreshed from Google Patents.
US2472455A
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Dual grip contractible hose coupling
Assignee: FRANK J RAYBOULD
•
Filing: 1946-08-14
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Granted: 1949-06-07
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Expires: 1966-08-14
Abstract
No abstract record available.
Inventors
- 👤 Ansingh Herman Kimball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:47
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/22; F16L33/222; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |