US3172602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waterline thermostat
Assignee: Dole Valve Co
•
Filing: 1962-12-26
•
Granted: 1965-03-09
•
Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Harold B Drapeau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:34
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1306; G05D23/132; G05D23/1333; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/4992
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
A REVERSE POPPET WATERLINE THERMOSTAT COMPRISING: A TRANSVERSE WALL HAVING MEANS DEFINING A FLOW PASSAGE; SAID TRANSVERSE WALL HAVING A FLANGE ADAPTED TO CONNECT THE THERMOSTAT TO A COOLING CONDUIT AND TO ALLOW FLOW THROUGH ONLY THE TRANSVERSE WALL FLOW PASSAGE; A POWER UNIT EXTENDING THROUGH SAID PASSAGE AND SPACED FROM SAID MEANS DEFINING THE PASSAGE; SAID POWER UNIT HAVING A POWER MEMER, A POWER MEMBER GUIDE PORTION, A POWER UNIT COLLAR, AND A TEMPERATURE SENTITIVE OPERATION; A STIRRUP CONNECTED TO SAID POWER MEMBER AND AFFIXED TO SAID TRANSVERSE WALL; A BASE WALL AFFIXED TO THE SIDE OF THE TRANSVERSE WALL OPPOSITE THE STIRRUP; A MAIN VALVE HAVING AN OUTWARDLY TURNED FLANGE TO ENGAGE CLOSINGLY WITH SAID FLOW PASSAGE DEFINING MEANS AND AN INWARDLY TURNED FLANGE SEATED AGAINST THE POWER UNIT COLLAR; AN AUXILIARY VALVE STRUCTURE INCLUDING A SLEEVE PORTION ABOUT SAID TEMPERATURE SENSITIVE PORTION AND HAVING AN END FLANGE SEATING WITH SAID OUTWARDLY TURNED FLANGE; SAID SLEEVE PORTION EXTENDING IN LINEARLY MOVABLY GUIDED RELATION THROUGH SAID BASE WALL; AND A COMPRESSION SPRING THRUSTING AT ONE END AGAINST SAID BASE WALL AND AT ITS OPPOSITE END AGAINST SAID END FLANGE.
Claim 2
Dependent Claim
190 words
A REVERSE POPPET WATERLINE THERMOSTAT COMPRISING: A TRANSVERSE WALL HAVING MEANS DEFINING A FLOW PASSAGE; SAID TRANSVERSE WALL HAVING A FLANGE ADAPTED TO CONNECT THE THERMOSTAT TO A COOLING CONDUIT AND TO ALLOW FLOW THROUGH ONLY THE TRANSVERSE WALL FLOW PASSAGE; A POWER UNIT EXTENDING THROUGH SAID PASSAGE AND SPACED FROM SAID MEANS DEFINING THE PASSAGE; SAID POWER UNIT HAVING A POWER MEMER, A POWER MEMBER GUIDE PORTION, A POWER UNIT COLLAR, AND A TEMPERATURE SENTITIVE OPERATION; A STIRRUP CONNECTED TO SAID POWER MEMBER AND AFFIXED TO SAID TRANSVERSE WALL; A BASE WALL AFFIXED TO THE SIDE OF THE TRANSVERSE WALL OPPOSITE THE STIRRUP; A MAIN VALVE HAVING AN OUTWARDLY TURNED FLANGE TO ENGAGE CLOSINGLY WITH SAID FLOW PASSAGE DEFINING MEANS AND AN INWARDLY TURNED FLANGE SEATED AGAINST THE POWER UNIT COLLAR; AN AUXILIARY VALVE STRUCTURE INCLUDING A SLEEVE PORTION ABOUT SAID TEMPERATURE SENSITIVE PORTION AND HAVING AN END FLANGE SEATING WITH SAID OUTWARDLY TURNED FLANGE; SAID SLEEVE PORTION EXTENDING IN LINEARLY MOVABLY GUIDED RELATION THROUGH SAID BASE WALL; AND A COMPRESSION SPRING THRUSTING AT ONE END AGAINST SAID BASE WALL AND AT ITS OPPOSITE END AGAINST SAID END FLANGE.
References Cited (Backward Citations)
US2815174A
Cited
US3092322A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |