US2878039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collet and ferrule type clamp hose coupling
Assignee: FLETCHER AVIAT CORP
•
Filing: 1954-11-22
•
Granted: 1959-03-17
•
Expires: 1974-11-22
Abstract
No abstract record available.
Inventors
- 👤 Robert A Hoegee
- 👤 Wallace W Gobble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:23
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/22; F16L33/222
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US143229A
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US145731A
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US833784A
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GB191201705A
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US1175834A
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US1234812A
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US1574922A
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FR782512A
Cited
US2120275A
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US2228018A
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US2333349A
Cited
US2544712A
Cited
US2448395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |