US3136130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure responsive measuring device
Assignee: Rockwell Manufacturing Co
•
Filing: 1960-10-12
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Granted: 1964-06-09
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Expires: 1980-10-12
Abstract
No abstract record available.
Inventors
- 👤 John B Mcgay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:42
CPC Classifications
G; G01; G01L; G01L13/00; G01L13/02; G01L13/025; G01L7/00; G01L7/02; G01L7/08; G01L7/084; G01L7/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A PRESSURE MEASURING DEVICE COMPRISING: A SECTIONAL CASING; FLEXIBLE DIAPHRAGM MEANS DISPOSED BETWEEN SECTIONS OF SAID CASING AND FORMING, WITH SAID CASING, SEPARATE CHAMBERS ON OPPOSITE SIDES OF SAID DIAPHRAGM MEANS; A RESILIENT BIASING ASSEMBLY HAVING A BASE MEMBER; MEANS CONNECTING SAID BIASING ASSEMBLY TO SAID DIAPHRAGM MEANS; MEANS RELEASABLY RIGIDLY SECURING SAID BASE MEMBER TO THE INTERIOR OF SAID CASING, SAID BIASING ASSEMBLY ALSO INCLUDING SPRING MEANS RIGIDLY CONNECTED TO SAID BASE MEMBER AND, THROUGH SAID CONNECTING MEANS, RIGIDLY CONNECTED TO SAID DIAPHRAGM AND THEREBY YIELDINGLY OPPOSING MOVEMENT OF SAID DIAPHRAGM IN BOTH DIRECTIONS FROM A ZERO POSITION; MEANS FOR TRANSMITTING MOTION FROM SAID DIAPHRAGM MEANS TO THE EXTERIOR OF SAID CASING INCLUDING A RELEASABLE CONNECTION TO SAID DIA-
Claim 2
Dependent Claim
121 words
IN A PRESSURE MEASURING DEVICE COMPRISING: A SECTIONAL CASING; FLEXIBLE DIAPHRAGM MEANS DISPOSED BETWEEN SECTIONS OF SAID CASING AND FORMING, WITH SAID CASING, SEPARATE CHAMBERS ON OPPOSITE SIDES OF SAID DIAPHRAGM MEANS; A RESILIENT BIASING ASSEMBLY HAVING A BASE MEMBER; MEANS CONNECTING SAID BIASING ASSEMBLY TO SAID DIAPHRAGM MEANS; MEANS RELEASABLY RIGIDLY SECURING SAID BASE MEMBER TO THE INTERIOR OF SAID CASING, SAID BIASING ASSEMBLY ALSO INCLUDING SPRING MEANS RIGIDLY CONNECTED TO SAID BASE MEMBER AND, THROUGH SAID CONNECTING MEANS, RIGIDLY CONNECTED TO SAID DIAPHRAGM AND THEREBY YIELDINGLY OPPOSING MOVEMENT OF SAID DIAPHRAGM IN BOTH DIRECTIONS FROM A ZERO POSITION; MEANS FOR TRANSMITTING MOTION FROM SAID DIAPHRAGM MEANS TO THE EXTERIOR OF SAID CASING INCLUDING A RELEASABLE CONNECTION TO SAID DIA-
References Cited (Backward Citations)
CA599446A
Cited
US1992048A
Cited
GB512574A
Cited
US2601511A
Cited
US2664108A
Cited
US2737973A
Cited
US2989084A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |