Patent US2796885A successfully refreshed from Google Patents.
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 17:21
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US314649A
Cited
US595061A
Cited
US1321527A
Cited
US815912A
Cited
US934083A
Cited
US1830927A
Cited
US1901119A
Cited
US1965307A
Cited
US2214963A
Cited
US2351871A
Cited
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 |