Patent US3366756A successfully refreshed from Google Patents.
US3366756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap action assembly
Assignee: NORWALK THERMOSTAT CO
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Filing: 1966-04-04
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Granted: 1968-01-30
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Expires: 1986-04-04
Abstract
No abstract record available.
Inventors
- 👤 Wayne T Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:37
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/26; H01H13/36; H01H13/38; H01H37/00; H01H37/02; H01H37/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
366 words
A SNAP ACTION SWITCCH COMPRISING A RELATIVELY FLEXIBLE RESILIENT BLADE HAVING A LENGTH SUBSTANTIALLY GREATER THAN ITS BREADTH, SAID BLADE BEING GENERALLY FLAT IN ITS MAJOR PLANE AND HAVING A FORM ADJACENT ONE END TO OFFSET SAID ONE END FROM SAID MAJOR PLANE; A MOUNTING REGION FOR SAID FLEXIBLE BLADE INTERMEDIATE SAID FORM AND THE END OPPOSITE SAID ONE END; A RIGID BLADE FORMING A FRAME FOR AN OPENINGG IN ITS MAJOR PLANE, THE OPENING HAVING A WIDTH EXCEEDING THE WIDTH OF SAID FLEXIBLE BLADE; MEANS TO SECURE THE ENDS OF SAID FLEXIBLE BLADE TO SAID RIGID BLADE SUCH THAT THE PORTION OF SAID FLEXIBLE BLADE ADJACENT SAID FORM STANDS AWAY FROM SAID RIGID BLADE, SAID FLEXIBLE BLADE BEING IN LONGITUDINAL COMPRESSION AND SAID RIGID BLADE BEING IN TENSION, SAID FLEXIBLE BLADE IN A REGION INTERMEDIATE ITS ENDS BEING FREE TO MOVE WITHIN THE OPENING DEFINED BY SAID RIGID BLADE IN A DIRECTION NORMAL TO THE MAJOR PLANE OF SAID RIGID BLADE; A FIRST ELECTRICAL CONTACT RIGIDLY SECURED TO SAID RIGID BLADE AT ITS END REMOTE FROM SAID FORM ON SAID ADJACENT FLEXIBLE BLADE; A SUPPORT STRUCTURE; A MOUNTING MEANS SECURED TO SAID SUPPORT STRUCTURE AND TO SAID MOUNTING REGION FOR SAID FLEXIBLE BLADE TO SUPPORT SAID FLEXIBLE BLADE, SAID RIGID BLADE AND SAID FIRST CONTACT FOR MOVEMENT RELATIVE TO SAID SUPPORT STRUCTURE; A SECOND ELECTRICAL CONTACT ARRANGED TO COOPERATE WITH AND BE ENGAGED BY SAID FIRST CONTACT AND SUPPORTED BY SAID SUPPORT STRUCTURE; AND AN ACTUATING MEANS ENGAGED WITH SAID RIGID BLADE AND MOVABLE GENERALLY NORMAL TO THE MAJOR PLANE OF SAID RIGID BLADE ADJACENT ITS END ADJACENT SAID FORM ON SAID FLEXIBLE BLADE TO CARRY THE LINE OF SAID TENSILE FORCE BETWEEN THE ENDS OF SAID RIGID BLADE ACROSS THE LINES OF COMPRESSIVE FORCE BETWEEN THE ENDS OF SAID FLEXIBLE BLADE AND SAID MOUNTING REGION WHEREBY THE FIRST CONTACT IS SHIFTED IN ITS ANGULAR RELATION TO THE SECOND CONTACT WITH A FORCE IN ITS ANGULAR RELATION TO THE SECOND CONTACT WITH A FORCE OF SAID ACTUATING MEANS AND A FORCE OF SAID RESILIENCE OF SAID FLEXIBLE BLADE IN THE REGION OF SAID FORM, SAID FORCES ACTING ON THE LEVER ARM OF SAID RIGID BLADE.
Claim 2
Dependent Claim
366 words
A SNAP ACTION SWITCCH COMPRISING A RELATIVELY FLEXIBLE RESILIENT BLADE HAVING A LENGTH SUBSTANTIALLY GREATER THAN ITS BREADTH, SAID BLADE BEING GENERALLY FLAT IN ITS MAJOR PLANE AND HAVING A FORM ADJACENT ONE END TO OFFSET SAID ONE END FROM SAID MAJOR PLANE; A MOUNTING REGION FOR SAID FLEXIBLE BLADE INTERMEDIATE SAID FORM AND THE END OPPOSITE SAID ONE END; A RIGID BLADE FORMING A FRAME FOR AN OPENINGG IN ITS MAJOR PLANE, THE OPENING HAVING A WIDTH EXCEEDING THE WIDTH OF SAID FLEXIBLE BLADE; MEANS TO SECURE THE ENDS OF SAID FLEXIBLE BLADE TO SAID RIGID BLADE SUCH THAT THE PORTION OF SAID FLEXIBLE BLADE ADJACENT SAID FORM STANDS AWAY FROM SAID RIGID BLADE, SAID FLEXIBLE BLADE BEING IN LONGITUDINAL COMPRESSION AND SAID RIGID BLADE BEING IN TENSION, SAID FLEXIBLE BLADE IN A REGION INTERMEDIATE ITS ENDS BEING FREE TO MOVE WITHIN THE OPENING DEFINED BY SAID RIGID BLADE IN A DIRECTION NORMAL TO THE MAJOR PLANE OF SAID RIGID BLADE; A FIRST ELECTRICAL CONTACT RIGIDLY SECURED TO SAID RIGID BLADE AT ITS END REMOTE FROM SAID FORM ON SAID ADJACENT FLEXIBLE BLADE; A SUPPORT STRUCTURE; A MOUNTING MEANS SECURED TO SAID SUPPORT STRUCTURE AND TO SAID MOUNTING REGION FOR SAID FLEXIBLE BLADE TO SUPPORT SAID FLEXIBLE BLADE, SAID RIGID BLADE AND SAID FIRST CONTACT FOR MOVEMENT RELATIVE TO SAID SUPPORT STRUCTURE; A SECOND ELECTRICAL CONTACT ARRANGED TO COOPERATE WITH AND BE ENGAGED BY SAID FIRST CONTACT AND SUPPORTED BY SAID SUPPORT STRUCTURE; AND AN ACTUATING MEANS ENGAGED WITH SAID RIGID BLADE AND MOVABLE GENERALLY NORMAL TO THE MAJOR PLANE OF SAID RIGID BLADE ADJACENT ITS END ADJACENT SAID FORM ON SAID FLEXIBLE BLADE TO CARRY THE LINE OF SAID TENSILE FORCE BETWEEN THE ENDS OF SAID RIGID BLADE ACROSS THE LINES OF COMPRESSIVE FORCE BETWEEN THE ENDS OF SAID FLEXIBLE BLADE AND SAID MOUNTING REGION WHEREBY THE FIRST CONTACT IS SHIFTED IN ITS ANGULAR RELATION TO THE SECOND CONTACT WITH A FORCE IN ITS ANGULAR RELATION TO THE SECOND CONTACT WITH A FORCE OF SAID ACTUATING MEANS AND A FORCE OF SAID RESILIENCE OF SAID FLEXIBLE BLADE IN THE REGION OF SAID FORM, SAID FORCES ACTING ON THE LEVER ARM OF SAID RIGID BLADE.
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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) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |