Patent US3320375A successfully refreshed from Google Patents.
US3320375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuously adjustable limit switch
Assignee: Individual
•
Filing: 1965-10-05
•
Granted: 1967-05-16
•
Expires: 1985-10-05
Abstract
No abstract record available.
Inventors
- 👤 Charles S Aldrich
- 👤 Leon N Canick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:21
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/02; H01H3/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
103 words
IN A SWITCH ACTUATING APPARATUS OF THE TYPE INCLUDING A HOLLOW, APERTURED HOUSING, AN AXIAL SHAFT HAVING AT LEAST A PORTION THEREOF, ROTATABLY JOURNALED IN THE HOUSING, FIRST AND SECOND CAM MEANS DISPOSED IN THE HOUSING, CAM FOLLOWER MEANS SECURED TO AND ROTATABLE WITH THE SHAFT, MEANS TO INDEPENDENTLY VARY THE ANGULAR RELATIONSHIP BETWEEN EACH OF THE CAMS AND THE SHAFT AND PIVOTALLY MOUNTED SWITCH-ACTUATING MEANS RESPONSIVE TO THE MOVEMENT OF THE CAM FOLLOWER MEANS, THAT IMPROVEMENT THEREIN WHICH COMPRISES A COMPOUND SWITCH ACTUATING LEVER HAVING A FIRST SECTION LOOSELY MOUNTED ON THE SHAFT AND A SECOND SECTION PIVOTALLY COUPLED TO SAID FIRST
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |