US2969084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure responsive valve
Assignee: RACINE HYDRAULICS AND MACHINERY Inc
•
Filing: 1958-04-21
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Granted: 1961-01-24
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Expires: 1978-04-21
Abstract
No abstract record available.
Inventors
- 👤 Robert E Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:32
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/0433; F16K15/00; F16K15/02; F16K15/04; F16K15/044; F16K47/00; F16K47/01; F16K47/011; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7738; Y10T137/774; Y10T137/7837; Y10T137/785; Y10T137/7904; Y10T137/7922; Y10T137/7927; Y10T137/7928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1815533A
Cited
US2322139A
Cited
US2646066A
Cited
CH251978A
Cited
US2682890A
Cited
GB706648A
Cited
GB723375A
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 |