US3246427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric top with power source and centrifugal switch
Assignee: Individual
•
Filing: 1965-02-18
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Granted: 1966-04-19
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Expires: 1985-02-18
Abstract
No abstract record available.
Inventors
- 👤 Armas A Tuuri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:38
CPC Classifications
A; A63; A63H; A63H1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A POWER TOP CONSTRUCTION COMPRISING A BODY HAVING AT ITS LOWER END MEANS SUPPORTING SAID BODY FOR ROTATION; AN ELECTRIC MOTOR SUPPORTED BY SAID BODY AND HAVING A SHAFT ROTATABLE RELATIVELY TO SAID BODY; A ROTOR MEMBER; MEANS MOUNTING SAID ROTOR MEMBER ON SAID SHAFT EXTERNALLY OF SAID BODY AND FOR ROTATION WITH SAID SHAFT AND FOR AXIAL MOVEMENT RELATIVE TO SAID SHAFT; A SOURCE OF ELECTRIC ENERGY SUPPORTED BY SAID BODY; ELECTRIC CIRCUIT MEANS INTERCONNECTING SAID SOURCE AND SAID MOTOR; AND SWITCH MEANS IN SAID CIRCUIT MOVABLE BETWEEN CIRCUIT CLOSING AND CIRCUIT OPENING POSITIONS IN RESPONSE TO RELATIVE AXIAL MOVEMENT OF SAID SHAFT AND SAID MOUNTING MEANS FOR SELECTIVELY ACTIVATING AND DEACTIVATING SAID MOTOR.
Claim 2
Dependent Claim
115 words
A POWER TOP CONSTRUCTION COMPRISING A BODY HAVING AT ITS LOWER END MEANS SUPPORTING SAID BODY FOR ROTATION; AN ELECTRIC MOTOR SUPPORTED BY SAID BODY AND HAVING A SHAFT ROTATABLE RELATIVELY TO SAID BODY; A ROTOR MEMBER; MEANS MOUNTING SAID ROTOR MEMBER ON SAID SHAFT EXTERNALLY OF SAID BODY AND FOR ROTATION WITH SAID SHAFT AND FOR AXIAL MOVEMENT RELATIVE TO SAID SHAFT; A SOURCE OF ELECTRIC ENERGY SUPPORTED BY SAID BODY; ELECTRIC CIRCUIT MEANS INTERCONNECTING SAID SOURCE AND SAID MOTOR; AND SWITCH MEANS IN SAID CIRCUIT MOVABLE BETWEEN CIRCUIT CLOSING AND CIRCUIT OPENING POSITIONS IN RESPONSE TO RELATIVE AXIAL MOVEMENT OF SAID SHAFT AND SAID MOUNTING MEANS FOR SELECTIVELY ACTIVATING AND DEACTIVATING SAID MOTOR.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |