US2788993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hose coupling with part spherical joining ring
Assignee: Individual
•
Filing: 1953-03-09
•
Granted: 1957-04-16
•
Expires: 1973-03-09
Abstract
No abstract record available.
Inventors
- 👤 Oldham Charles Albert Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:52
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/04; F16L23/08; F16L23/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US880813A
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US964579A
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US1025759A
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US1093868A
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US1794905A
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US1782484A
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US1866636A
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US2020156A
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US1985544A
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US2112352A
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US2340732A
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US2551536A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-15 | 1960-10-15 | 1961-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-15 | 1964-10-15 | 1965-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-15 | 1968-10-15 | 1969-04-16 | $7700.00 | Window Closed / Lapsed |