Patent US3723182A successfully refreshed from Google Patents.
US2970802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for water and gas lines
Assignee: Individual
•
Filing: 1957-04-12
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Granted: 1961-02-07
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Expires: 1977-04-12
Abstract
No abstract record available.
Inventors
- 👤 Byron Guerrero Y Ocampo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:03
CPC Classifications
F; F16; F16K; F16K41/00; F16K41/02; F16K41/08; F16K1/00; F16K1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1890836A
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US1954018A
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US2303392A
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US2268020A
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US2360733A
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US2509656A
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US2602592A
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US2731031A
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GB717241A
Cited
US2856961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |