US3169176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infinite heat switch for controlling a plurality of heating elements
Assignee: Motors Liquidation Co
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Filing: 1960-11-07
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Granted: 1965-02-09
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Expires: 1980-11-07
Abstract
No abstract record available.
Inventors
- 👤 Gene L Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:53
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/004; H01H19/00; H01H19/54; H01H19/60; H01H19/63
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
161 words
A PULSING SWITCH COMPIRSING, MEANS FORMING A CASING, FIRST AND SECOND SWITCH MEANS PIVOTALLY SUPPORTED ON THE SAME SIDE OF SAID CASING AND INCLUDING A FIRST AND SECOND PAIR OF CONTACTS, FIRST AND SECOND FOLLOWER MEANS FOR SELECTIVELY RESPECTIVELY BIASING ONE OF SAID CONTACTS IN EACH OF SAID FIRST AND SECOND CONTACT PAIRS INTO ENGAGEMENT WITH THE OTHER OF SAID CONTACTS IN EACH OF SAID FIRST AND SECOND CONTACT PAIRS, AND SINGLE CAM MEANS JOURNALED ON THE OPPOISTE SIDE OF SAID CASING FROM SAID FIRST AND SECOND SWITCH MEANS AND ROTATABLE RELATIVE TO SAID FIRST AND SECOND FOLLOWER MEANS ON THE SAME SIDE THEREOF FOR ACTUATING SAID FIRST AND SECOND FOLLOWER MEANS IN ACCORDANCE WITH THE PIVOTAL POSITION OF SAID FIRST AND SECOND FOLLOWER MEANS RELATIVE TO SAID SINGLE CAM MEANS, SAID SINGLE CAM MEANS INCLUDING AN IRREGULAR DISC HAVING DIFFERENT ARC LENGTHS OF FOLLOWER MEANS ACTUATION AT DIFFERENT RADIAL DISTANCE FROM THE AXIS OF ROTATION OF SAID SINGLE CAM MEANS.
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) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |