US2762394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure gauge diaphragm assembly
Assignee: ROCHESTER Manufacturing CO Inc
•
Filing: 1954-02-09
•
Granted: 1956-09-11
•
Expires: 1974-02-09
Abstract
No abstract record available.
Inventors
- 👤 Warren W Hastings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:55
CPC Classifications
G; G01; G01L; G01L7/00; G01L7/02; G01L7/08; G01L7/082; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49877
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |