US3360198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure regulator for diaphragm gas valves
Assignee: Robertshaw Controls Co
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Filing: 1966-05-27
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Granted: 1967-12-26
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Expires: 1986-05-27
Abstract
No abstract record available.
Inventors
- 👤 Jay R Katchka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:53
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/06; F23N5/067; F23N1/00; F23N1/007; F23N2225/00; F23N2225/08; F23N2235/00; F23N2235/12; F23N2235/18; F23N2235/20; F23N2235/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN A CONTROL SYSTEM FOR SUPPLYING A FUEL FLOW TO BURNER APPARATUS, THE COMBINATION COMPRISING A CASING HAVING INLET AND OUTLET MEANS FOR PASSING FUEL FLOW THERETHROUGH, PRESSURE OPERATED DIAPHRAGM VALVE MEANS OPERATIVELY DISPOSED BETWEEN SAID INLET AND SAID OUTLET MEANS IN SAID CASING TO CONTROL THE FUEL FLOW, BLEED LINE MEANS FOR EFFECTING OPERATION OF SAID DIAPHRAGM VALVE MEANS, CONTROL MEANS MOVABLY DISPOSED IN SAID BLEED LINE MEANS FOR CONTROLLING A BLEED FLOW THERETHROUGH,
Claim 2
Dependent Claim
75 words
IN A CONTROL SYSTEM FOR SUPPLYING A FUEL FLOW TO BURNER APPARATUS, THE COMBINATION COMPRISING A CASING HAVING INLET AND OUTLET MEANS FOR PASSING FUEL FLOW THERETHROUGH, PRESSURE OPERATED DIAPHRAGM VALVE MEANS OPERATIVELY DISPOSED BETWEEN SAID INLET AND SAID OUTLET MEANS IN SAID CASING TO CONTROL THE FUEL FLOW, BLEED LINE MEANS FOR EFFECTING OPERATION OF SAID DIAPHRAGM VALVE MEANS, CONTROL MEANS MOVABLY DISPOSED IN SAID BLEED LINE MEANS FOR CONTROLLING A BLEED FLOW THERETHROUGH,
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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |