US2869582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shut-off valves
Assignee: SPRAYERS AND NOZZLES Inc
•
Filing: 1954-07-26
•
Granted: 1959-01-20
•
Expires: 1974-07-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Lee Skipwith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:15
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/14; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/88046; Y10T137/88054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1177831A
Cited
US1819452A
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US1855106A
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US1915553A
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GB443440A
Cited
US2139926A
Cited
US2373294A
Cited
US2484628A
Cited
US2598417A
Cited
US2608412A
Cited
US2701119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |