US3121338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus
Assignee: Robertshaw US Holding Corp
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Filing: 1961-09-13
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Granted: 1964-02-18
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Expires: 1981-09-13
Abstract
No abstract record available.
Inventors
- 👤 James T Payne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:50
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/04; F; F16; F16H; F16H35/00; F16H35/14; H01H37/08; Y; Y10; Y10T; Y10T74/00; Y10T74/11; Y10T74/18; Y10T74/18856; Y10T74/18864; Y10T74/18872; Y10T74/18888; Y10T74/18896
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
CONTROL APPARATUS COMPRISING A FRAME, A SNAP ACTING MECHANISM WITHIN SAID FRAME AND INCLUDING A CENTRALLY PIVOTED LEVER, PRESSURE RESPONSIVE MEANS IN SAID FRAME AND OPERATIVE ON SAID MECHANISM TO SNAP MOVE SAID LEVER TO ALTERNATIVELY SHIFT THE ENDS THEREOF IN OPPOSITE DIRECTIONS, A CONTROL DEVICE HAVING AN ACTUATOR MEMBER EXTENDING THEREFROM FOR ENGAGEMENT BY ONE END OF SAID LEVER FOR ACTUATING SAID CONTROL DEVICE, AND MEANS TO SELECTIVELY ATTACH SAID CONTROL DEVICE TO SAID FRAME WITH SAID ACTUATOR MEMBER IN ALIGNMENT WITH ONE END OR THE OTHER OF SAID LEVER FOR OPERATION THEREBY.
Claim 2
Dependent Claim
94 words
CONTROL APPARATUS COMPRISING A FRAME, A SNAP ACTING MECHANISM WITHIN SAID FRAME AND INCLUDING A CENTRALLY PIVOTED LEVER, PRESSURE RESPONSIVE MEANS IN SAID FRAME AND OPERATIVE ON SAID MECHANISM TO SNAP MOVE SAID LEVER TO ALTERNATIVELY SHIFT THE ENDS THEREOF IN OPPOSITE DIRECTIONS, A CONTROL DEVICE HAVING AN ACTUATOR MEMBER EXTENDING THEREFROM FOR ENGAGEMENT BY ONE END OF SAID LEVER FOR ACTUATING SAID CONTROL DEVICE, AND MEANS TO SELECTIVELY ATTACH SAID CONTROL DEVICE TO SAID FRAME WITH SAID ACTUATOR MEMBER IN ALIGNMENT WITH ONE END OR THE OTHER OF SAID LEVER FOR OPERATION THEREBY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |