US2635622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antisiphonic ball cock
Assignee: Individual
•
Filing: 1947-08-11
•
Granted: 1953-04-21
•
Expires: 1967-08-11
Abstract
No abstract record available.
Inventors
- 👤 Jesse C Owens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:00
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/10; E03C1/108; Y; Y10; Y10T; Y10T137/00; Y10T137/3149; Y10T137/3185; Y10T137/3294; Y10T137/3331; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7446; Y10T137/7449; Y10T137/7462; Y10T137/7465; Y10T137/7472; Y10T137/7475
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US349586A
Cited
US1903816A
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US2033442A
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US2270910A
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US2270838A
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US2282338A
Cited
US2290145A
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US2306508A
Cited
US2299706A
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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) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |