US2475602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manometer
Assignee: Individual
•
Filing: 1945-05-05
•
Granted: 1949-07-12
•
Expires: 1965-05-05
Abstract
No abstract record available.
Inventors
- 👤 Albert C Forst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:39
CPC Classifications
G; G01; G01L; G01L7/00; G01L7/18; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3084; Y10T137/309; Y10T137/4456; Y10T137/4643
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191106938A
Cited
US1188748A
Cited
US1354023A
Cited
FR523988A
Cited
US1667877A
Cited
US1758077A
Cited
US1722469A
Cited
US1832266A
Cited
US2203574A
Cited
US2209212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |