Patent US2878062A successfully refreshed from Google Patents.
US2878062A
Expired / Lapsed
US
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Rotary fluid coupling apparatus for sprinklers and the like
Assignee: Individual
•
Filing: 1954-05-21
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Granted: 1959-03-17
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Expires: 1974-05-21
Abstract
No abstract record available.
Inventors
- 👤 Howard M Crow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:54
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B3/0455; B05B3/025; B05B3/026; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1180526A
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US1982937A
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US2064072A
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US2086515A
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US2212218A
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US2336725A
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US2323701A
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US2619380A
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US2518338A
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US2610096A
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 |