US3109073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclically operated switch control apparatus
Assignee: Chamberlain and Hookham Ltd
•
Filing: 1961-05-12
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Granted: 1963-10-29
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Expires: 1981-05-12
Abstract
No abstract record available.
Inventors
- 👤 Lewis Harry Stanley
- 👤 Mcguirk Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:28
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/12; H01H43/124; D; D06; D06F; D06F34/00; D06F34/28; D06F34/30; D06F2105/00; D06F2105/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
SWITCH CONTROL APPARATUS COMPRISING IN COMBINATION A ROTATABLE SHAFT, A PLURALITY OF CAMS RIGIDLY MOUNTED IN AXIALLY SPACED RELATIONSHIP ON SAID SHAFT SO AS TO BE ROTATABLE THEREWITH FOR OPERATING A PLURALITY OF SWITCHES, POWER OPERABLE MEANS CONNECTED TO SAID SHAFT FOR IMPARTING ROTATION THERETO AT A NORMAL PREDETERMINED CONSTANT SPEED, SPEED-VARYING MEANS UNDER THE CONTROL OF WHICH SAID SHAFT IS ROTATABLE AT A SPEED DIFFERENT FROM SAID NORMAL PREDE-
Claim 2
Dependent Claim
70 words
SWITCH CONTROL APPARATUS COMPRISING IN COMBINATION A ROTATABLE SHAFT, A PLURALITY OF CAMS RIGIDLY MOUNTED IN AXIALLY SPACED RELATIONSHIP ON SAID SHAFT SO AS TO BE ROTATABLE THEREWITH FOR OPERATING A PLURALITY OF SWITCHES, POWER OPERABLE MEANS CONNECTED TO SAID SHAFT FOR IMPARTING ROTATION THERETO AT A NORMAL PREDETERMINED CONSTANT SPEED, SPEED-VARYING MEANS UNDER THE CONTROL OF WHICH SAID SHAFT IS ROTATABLE AT A SPEED DIFFERENT FROM SAID NORMAL PREDE-
References Cited (Backward Citations)
US2870834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |