Patent US3102394A successfully refreshed from Google Patents.
US3102394A
Expired / Lapsed
US
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Controlled relief system
Assignee: Westinghouse Electric Corp
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Filing: 1958-01-24
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Granted: 1963-09-03
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Expires: 1978-01-24
Abstract
No abstract record available.
Inventors
- 👤 Grady L Hartfield
- 👤 Henry A Van Wassen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:07
CPC Classifications
F; F22; F22B; F22B35/00; F22B35/004; G; G21; G21C; G21C9/00; G21C9/004; G21D; G21D3/00; G21D3/04; G21D3/08; G21D3/12; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN A STEAM GENERATING SYSTEM COUPLED A VARYING LOAD DEVICE, THE COMBINATION COMPRISING A PLURALITY OF RELIEF VALVES COUPLED TO THE OUTPUT OF SAID SYSTEM FOR EJECTING QUANTITIES OF STEAM FROM THE SYSTEM IN BYPASSING RELATION TO SAID LOAD DEVICE ACTUATING SAID VALVES SEQUENTIALLY TO EJECT CONTROLLED AMOUNTS OF STEAM FROM SAID SYSTEM, AND MEANS COUPLED TO SAID LAST-MENTIONED MEANS FOR ENERGIZING SAID ACTUATING MEANS IN RESPONSE TO CHANGES IN SAID LOAD DEVICE.
Claim 2
Dependent Claim
73 words
IN A STEAM GENERATING SYSTEM COUPLED A VARYING LOAD DEVICE, THE COMBINATION COMPRISING A PLURALITY OF RELIEF VALVES COUPLED TO THE OUTPUT OF SAID SYSTEM FOR EJECTING QUANTITIES OF STEAM FROM THE SYSTEM IN BYPASSING RELATION TO SAID LOAD DEVICE ACTUATING SAID VALVES SEQUENTIALLY TO EJECT CONTROLLED AMOUNTS OF STEAM FROM SAID SYSTEM, AND MEANS COUPLED TO SAID LAST-MENTIONED MEANS FOR ENERGIZING SAID ACTUATING MEANS IN RESPONSE TO CHANGES IN SAID LOAD DEVICE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |