US2796885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential piston type relief valve
Assignee: US Industries Inc
•
Filing: 1951-04-14
•
Granted: 1957-06-25
•
Expires: 1971-04-14
Abstract
No abstract record available.
Inventors
- 👤 Henry U Garrett
- 👤 Clifford M Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:07
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/10; F16K17/105; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7766; Y10T137/7781; Y10T137/7793; Y10T137/7796; Y10T137/7801
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US314649A
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US595061A
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US1321527A
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US815912A
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US934083A
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US1830927A
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US1901119A
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US1965307A
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US2214963A
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US2351871A
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US2566772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |