US2948887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure responsive instrument
Assignee: Giannini Controls Corp
•
Filing: 1955-06-06
•
Granted: 1960-08-09
•
Expires: 1975-06-06
Abstract
No abstract record available.
Inventors
- 👤 Carlyle A Mounteer
- 👤 Harry M Riegelman
- 👤 Jr Arthur C Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:51
CPC Classifications
G; G01; G01C; G01C5/00; G01C5/06; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18832; Y10T74/18848
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1059244A
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US1350769A
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US2697218A
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US2751576A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |