Patent US3201992A successfully refreshed from Google Patents.
US3201992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauge casing having plastic hinged blow-out
Assignee: Ametek Inc
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Filing: 1961-11-30
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Granted: 1965-08-24
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Expires: 1981-11-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry W Hoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:55
CPC Classifications
G; G01; G01L; G01L19/00; G01L19/06; G01L19/0672; G01L7/00; G01L7/02; G01L7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A PRESSURE GAGE, A HOLLOW CASING; GAGE MECHANISM WITHIN SAID CASING; A FRONT FACE CLOSING ONE END OF SAID CASING; A CYLINDRICAL WALL EXTENDING FROM SAID FRONT FACE DEFINING AND OPENING IN THE BACK END OF SAID CASING; AN INTERNAL PERIPHERAL LIP AND A PERIPHERAL GROOVE OF GREATER DIAMETER THAN SAID LIP ON THE BACK END OF SAID CYLINDRICAL WALL; A PLASTIC BACK PLATE CLOSING BACK END OF SAID CASING, SAID BACK PLATE HAVING A REDUCED CROSS SECTION ALONG A LINE DIVIDING SAID PLATE INTO TWO SEGMENTS AND FORMING A HINGE JOINT BETWEEN SAID SEGMENTS; SPACED PERIPHERAL LIPS ON ONE SEGMENT OF SAID BACK PLATE ADAPTED TO COOPERATE WITH SAID INTERNAL LIP; AND FLANGE MEANS ON SAID OTHER SEGMENT ADAPTED TO COOPERATE WITH SAID GROOVE FOR STATIONARILY FIXING SAID OTHER SEGMENT TO SAID CASING.
Claim 2
Dependent Claim
135 words
IN A PRESSURE GAGE, A HOLLOW CASING; GAGE MECHANISM WITHIN SAID CASING; A FRONT FACE CLOSING ONE END OF SAID CASING; A CYLINDRICAL WALL EXTENDING FROM SAID FRONT FACE DEFINING AND OPENING IN THE BACK END OF SAID CASING; AN INTERNAL PERIPHERAL LIP AND A PERIPHERAL GROOVE OF GREATER DIAMETER THAN SAID LIP ON THE BACK END OF SAID CYLINDRICAL WALL; A PLASTIC BACK PLATE CLOSING BACK END OF SAID CASING, SAID BACK PLATE HAVING A REDUCED CROSS SECTION ALONG A LINE DIVIDING SAID PLATE INTO TWO SEGMENTS AND FORMING A HINGE JOINT BETWEEN SAID SEGMENTS; SPACED PERIPHERAL LIPS ON ONE SEGMENT OF SAID BACK PLATE ADAPTED TO COOPERATE WITH SAID INTERNAL LIP; AND FLANGE MEANS ON SAID OTHER SEGMENT ADAPTED TO COOPERATE WITH SAID GROOVE FOR STATIONARILY FIXING SAID OTHER SEGMENT TO SAID CASING.
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |