US3164174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal excess-pressure device
Assignee: Individual
•
Filing: 1961-04-19
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Granted: 1965-01-05
•
Expires: 1981-04-19
Abstract
No abstract record available.
Inventors
- 👤 Berthod Louis
- 👤 Grenon Michel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:51
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C1/09; F; F16; F16L; F16L55/00; F16L55/04; F16L55/045; F16L55/05; F16L55/052; F22; F22B; F22B37/00; F22B37/02; F22B37/42; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A THERMAL EXCESS-PRESSURE DEVICE COMPRISING: MEANS DEFINING A CLOSED CHAMBER; CONDUIT MEANS FOR INTRODUCING WATER INTO SAID CHAMBER AND FOR DRAINING WATER FROM SAID CHAMBER; SAID CONDUIT MEANS INCLUDING AT LEAST ONE TUBE EXTENDING INTO SAID CHAMBER AND HAVING A NOZZLE PORTION IN THE UPPER REGION OF SAID CHAMBER, AND DRAIN MEANS COMMUNICATING WITH THE LOWER PORTION OF SAID CHAMBER MEANS CONNECTING SAID CONDUIT MEANS TO A HYDRAULIC CIRCUIT; AND HEATER MEANS IN THE LOWER PORTION OF SAID CHAMBER FOR HEATING WATER THEREIN AND MAINTAINING A BODY OF SATURATED STEAM IN THE UPPER PORTION THEREOF; SAID CONDUIT MEANS DEFINING FLOW PATHS FROM SAID HYDRAULIC CIRCUIT INTO SAID UPPER REGION AND SAID LOWER PORTION OF SAID CHAMBER, RESPECTIVELY, THE FLOW PATH LEADING TO SAID LOWER PORTION BEING OF SUCH RESTRICTED AREA RELATIVE TO THAT LEADING TO
Claim 2
Dependent Claim
135 words
A THERMAL EXCESS-PRESSURE DEVICE COMPRISING: MEANS DEFINING A CLOSED CHAMBER; CONDUIT MEANS FOR INTRODUCING WATER INTO SAID CHAMBER AND FOR DRAINING WATER FROM SAID CHAMBER; SAID CONDUIT MEANS INCLUDING AT LEAST ONE TUBE EXTENDING INTO SAID CHAMBER AND HAVING A NOZZLE PORTION IN THE UPPER REGION OF SAID CHAMBER, AND DRAIN MEANS COMMUNICATING WITH THE LOWER PORTION OF SAID CHAMBER MEANS CONNECTING SAID CONDUIT MEANS TO A HYDRAULIC CIRCUIT; AND HEATER MEANS IN THE LOWER PORTION OF SAID CHAMBER FOR HEATING WATER THEREIN AND MAINTAINING A BODY OF SATURATED STEAM IN THE UPPER PORTION THEREOF; SAID CONDUIT MEANS DEFINING FLOW PATHS FROM SAID HYDRAULIC CIRCUIT INTO SAID UPPER REGION AND SAID LOWER PORTION OF SAID CHAMBER, RESPECTIVELY, THE FLOW PATH LEADING TO SAID LOWER PORTION BEING OF SUCH RESTRICTED AREA RELATIVE TO THAT LEADING TO
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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) | 1968-01-05 | 1968-07-06 | 1969-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-05 | 1972-07-06 | 1973-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-05 | 1976-07-06 | 1977-01-05 | $7700.00 | Window Closed / Lapsed |