Patent US2940465A successfully refreshed from Google Patents.
US2940465A
Expired / Lapsed
US
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Control valve
Assignee: Graham White Sales Corp
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Filing: 1956-07-27
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Granted: 1960-06-14
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Expires: 1976-07-27
Abstract
No abstract record available.
Inventors
- 👤 Frantz Virgil Lanier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:58
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/06; F15B13/08; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/5283; Y10T137/7504; Y10T137/7613; Y10T137/8593; Y10T137/87169
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US987898A
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US1472265A
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US2069017A
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US2039638A
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US2486087A
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US2415417A
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US2645450A
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US2661762A
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US2705020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |