US2969088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pilot valve
Assignee: Controls Company of America
•
Filing: 1956-03-16
•
Granted: 1961-01-24
•
Expires: 1976-03-16
Abstract
No abstract record available.
Inventors
- 👤 Kramer Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:48
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/40; F16K31/406; F16K31/408; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/88054; Y10T137/88062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR901783A
Cited
US165791A
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US1019724A
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US1694625A
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US2188391A
Cited
US2225838A
Cited
US2708092A
Cited
FR1021143A
Cited
US2768643A
Cited
US2793654A
Cited
US2853097A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |