US3223807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Probe type thermostatic control employing a bimetal leaf and forcetransmitting lever
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1962-10-19
•
Granted: 1965-12-14
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Expires: 1982-10-19
Abstract
No abstract record available.
Inventors
- 👤 Darwin R Grahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:51
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN A PROBE-TYPE CONTROL: A BASE STRUCTURE; AN ELONGATED PROBE FRAME EXTENDING FROM SAID BASE STRUCTURE; A U-SHAPED BIMETAL MOUNTED IN THE END OF THE FRAME REMOTE FROM THE BASE STRUCTURE WITH THE LEGS THEREOF EXTENDING TOWARD SAID BASE STRUCTURE BUT TERMINATING SUBSTANTIAL DISTANCES THEREFROM; A PAIR OF ACTUATOR-EQUIPPED SWITCHES ARRANGED ON THE BASE STRUCTURE WITH THE ACTUATORS THEREOF FACING ONE ANOTHER; AND A PAIR OF FORCE-TRANSMITTING LEVERS INDIVIDUALLY PIVOTALLY MOUNTED IN HE FRAME WITH THEIR OPPOSITE ENDS OPERATIVELY ENGAGING THE BIMETAL LEGS AND SWITCH ACTUATORS.
Claim 2
Dependent Claim
86 words
IN A PROBE-TYPE CONTROL: A BASE STRUCTURE; AN ELONGATED PROBE FRAME EXTENDING FROM SAID BASE STRUCTURE; A U-SHAPED BIMETAL MOUNTED IN THE END OF THE FRAME REMOTE FROM THE BASE STRUCTURE WITH THE LEGS THEREOF EXTENDING TOWARD SAID BASE STRUCTURE BUT TERMINATING SUBSTANTIAL DISTANCES THEREFROM; A PAIR OF ACTUATOR-EQUIPPED SWITCHES ARRANGED ON THE BASE STRUCTURE WITH THE ACTUATORS THEREOF FACING ONE ANOTHER; AND A PAIR OF FORCE-TRANSMITTING LEVERS INDIVIDUALLY PIVOTALLY MOUNTED IN HE FRAME WITH THEIR OPPOSITE ENDS OPERATIVELY ENGAGING THE BIMETAL LEGS AND SWITCH ACTUATORS.
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |