US3191440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure gauge instrument
Assignee: Electro Optical Systems Inc
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Filing: 1963-02-11
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Granted: 1965-06-29
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Expires: 1983-02-11
Abstract
No abstract record available.
Inventors
- 👤 Jack V Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:33
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/20; G01F1/28
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
63 words
A PRESSURE GAUGE COMPRISING: A HOUSING STRUCTURE HAVING AN OPENING THERETHROUGH AND A SEALED CHAMBER; A VANE ROTATABLY MOUNTED ON A FLEXURE PIVOT AND EXTENDING FROM THE PIVOT INTO SAID CHAMBER AND ACROSS SAID OPENING; A MAGNET MOUNTED IN SAID CHAMBER NEAR SAID VANE; A COIL MOUNTED ON SAID VANE AND COUPLED TO SAID MAGNET; AND ELECTRO-OPTICAL APPARATUS FOR PRODUCING A FLOW OF
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |