Patent US4187119A successfully refreshed from Google Patents.
Patent US2908288A successfully refreshed from Google Patents.
US2908288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calibrated relief valve
Assignee: Crane Co
•
Filing: 1955-04-13
•
Granted: 1959-10-13
•
Expires: 1975-04-13
Abstract
No abstract record available.
Inventors
- 👤 Edward W Carr
- 👤 George E Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:20
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/06; F16K15/00; F16K15/02; F16K15/025; F16K15/026; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797; Y10T137/1804; Y10T137/7722; Y10T137/7837; Y10T137/7878; Y10T137/7904; Y10T137/7922; Y10T137/7929
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US402702A
Cited
US858810A
Cited
GB191500488A
Cited
US1212102A
Cited
GB328786A
Cited
US2479620A
Cited
FR988170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |