Patent US3250292A successfully refreshed from Google Patents.
US3250292A
Expired / Lapsed
US
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Gauge
Assignee: Ametek Inc
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Filing: 1964-03-18
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Granted: 1966-05-10
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Expires: 1984-03-18
Abstract
No abstract record available.
Inventors
- 👤 Mollick Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:13
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0126; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7809; Y10T137/781; Y10T137/7811; Y10T137/7822; Y10T137/7823; Y10T137/7825; Y10T137/8158; Y10T137/8326
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A COMBINED GAS REGULATOR AND INDICATING GAUGE, THE COMBINATION COMPRISING FIRST AND SECOND END CHAMBERS AND IN INTERMEDIATE CHAMBER IN COMMUNICATION AND AXIAL ALIGNMENT; A TUBULAR MEMBER EXTENDING THROUGH THE THREE CHAMBERS AND ESTABLISHING COMMUNICATION SOLELY BETWEEN SAID END CHAMBERS; PRESSURE INDICATING MEANS IN SAID SECOND END CHAMBER MOUNTED ON SAID TUBULAR MEMBER TO INDICATE PRESSURE THEREWITHIN; MEANS PROVIDING AN INLET OO SAID FIRST AND CHAMBER; VALVE MEANS ASSOCIATED WITH SAID MEMBER TO CONTORL COMMUNICATION BETWEEN SAID FIRST AND INTERMEDIATE CHAMBERS; RESILIENT MEANS BIASING SAID VALVE MEANS OPEN; PRESSURE RESPONSIVE MEANS OPERATIVELY CONNECTED TO SAID VALVE MEANS AND POSITIONED BETWEEN SAID SECOND AND INTERMEDIATE CHAMBERS AND RESPONSIVE TO PRESSURE THEREIN FOR CONTROLLING SAID VALVE MEANS; AND OUTLET MEANS CONNECTED TO SAID INTERMEDIATE CHAMBER.
Claim 2
Dependent Claim
124 words
IN A COMBINED GAS REGULATOR AND INDICATING GAUGE, THE COMBINATION COMPRISING FIRST AND SECOND END CHAMBERS AND IN INTERMEDIATE CHAMBER IN COMMUNICATION AND AXIAL ALIGNMENT; A TUBULAR MEMBER EXTENDING THROUGH THE THREE CHAMBERS AND ESTABLISHING COMMUNICATION SOLELY BETWEEN SAID END CHAMBERS; PRESSURE INDICATING MEANS IN SAID SECOND END CHAMBER MOUNTED ON SAID TUBULAR MEMBER TO INDICATE PRESSURE THEREWITHIN; MEANS PROVIDING AN INLET OO SAID FIRST AND CHAMBER; VALVE MEANS ASSOCIATED WITH SAID MEMBER TO CONTORL COMMUNICATION BETWEEN SAID FIRST AND INTERMEDIATE CHAMBERS; RESILIENT MEANS BIASING SAID VALVE MEANS OPEN; PRESSURE RESPONSIVE MEANS OPERATIVELY CONNECTED TO SAID VALVE MEANS AND POSITIONED BETWEEN SAID SECOND AND INTERMEDIATE CHAMBERS AND RESPONSIVE TO PRESSURE THEREIN FOR CONTROLLING SAID VALVE MEANS; AND OUTLET MEANS CONNECTED TO SAID INTERMEDIATE CHAMBER.
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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |