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US3201992A Expired / Lapsed US ⏱️ 0.0 years remaining

Gauge casing having plastic hinged blow-out

Assignee: Ametek Inc
•
Filing: 1961-11-30
•
Granted: 1965-08-24
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Expires: 1981-11-30
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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 03:46
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)

US448449A Cited
US1488034A Cited
US2952039A Cited

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

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