US2620666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure sensitive gauge
Assignee: Cutler Hammer Inc
•
Filing: 1948-01-17
•
Granted: 1952-12-09
•
Expires: 1968-01-17
Abstract
No abstract record available.
Inventors
- 👤 Edwin X Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:54
CPC Classifications
G; G01; G01N; G01N7/00; G01N7/02; G01N7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1174241A
Cited
US1700852A
Cited
US1682602A
Cited
US1877810A
Cited
DE564871C
Cited
US2363174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |