US3306998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap action device
Assignee: Robertshaw Controls Co
•
Filing: 1965-10-23
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Granted: 1967-02-28
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 William J Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:43
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/26; H01H13/36; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A SNAP ACTING DEVICE, THE COMBINATION COMPRISING A HOUSING INCLUDING A BASE MEMBER AND A COVER MEMBER, SAID BASE MEMBER INCLUDING A FIRST CONTACT MEANS AND A SECOND CONTACT MEANS EXTENDING THERETHROUGH, SAID COVER MEMBER INCLUDING AN ACTUATING MEMBER AND A THIRD CONTACT MEANS EXTENDING THERETHROUGH, SAID FIRST AND THIRD CONTACT MEANS BEING DISPOSED IN AXIAL ALIGNMENT WITH EACH OTHER, AN ELONGATED SNAP SWITCHING MECHANISM MOUNTED BY ITS END PORTIONS WITHIN SAID HOUSING MEMBERS ADJACENT SAID ACTUATING MEMBER AND BETWEEN SAID FIRST AND THIRD CONTACT MEANS SO AS TO BEAR AGAINST ONE OF SAID CONTACT MEANS, SAID SWITCHING MECHANISM INCLUDING A SINGLE SHEET OF RESILIENT ELECTRICALLY CONDUCTIVE MATERIAL HAVING A PLURALITY OF ELONGATED APERTURES THEREIN AND HAVING MEANS FOR APPLYING LATERAL TORQUE TO PORTIONS THEREOF, AND SAID LATERAL TORQUE APPLYING MEANS BEING REMOVABLY ATTACHED TO SAID HOUSING.
Claim 2
Dependent Claim
138 words
IN A SNAP ACTING DEVICE, THE COMBINATION COMPRISING A HOUSING INCLUDING A BASE MEMBER AND A COVER MEMBER, SAID BASE MEMBER INCLUDING A FIRST CONTACT MEANS AND A SECOND CONTACT MEANS EXTENDING THERETHROUGH, SAID COVER MEMBER INCLUDING AN ACTUATING MEMBER AND A THIRD CONTACT MEANS EXTENDING THERETHROUGH, SAID FIRST AND THIRD CONTACT MEANS BEING DISPOSED IN AXIAL ALIGNMENT WITH EACH OTHER, AN ELONGATED SNAP SWITCHING MECHANISM MOUNTED BY ITS END PORTIONS WITHIN SAID HOUSING MEMBERS ADJACENT SAID ACTUATING MEMBER AND BETWEEN SAID FIRST AND THIRD CONTACT MEANS SO AS TO BEAR AGAINST ONE OF SAID CONTACT MEANS, SAID SWITCHING MECHANISM INCLUDING A SINGLE SHEET OF RESILIENT ELECTRICALLY CONDUCTIVE MATERIAL HAVING A PLURALITY OF ELONGATED APERTURES THEREIN AND HAVING MEANS FOR APPLYING LATERAL TORQUE TO PORTIONS THEREOF, AND SAID LATERAL TORQUE APPLYING MEANS BEING REMOVABLY ATTACHED TO SAID HOUSING.
References Cited (Backward Citations)
US2479313A
Cited
DE937712C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |