US3200272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromotive drive overload arrangement
Assignee: CHRISTIAN DUNKER PRAZISIONS KL
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Filing: 1961-12-18
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Granted: 1965-08-10
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Expires: 1981-12-18
Abstract
No abstract record available.
Inventors
- 👤 Wagner Adam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:27
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/06; H01H35/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A HAND TOOL COMPRISING A CASING, AN ELECTRIC MOTOR IN SAID CASING, AN ELECTRIC CIRCUIT CONNECTING SAID MOTOR WITH A SOURCE OF ELECTRICAL ENERGY, DRIVING MEANS INCLUDING AN OVERLOAD CLUTCH DRIVEN BY SAID ELECTRIC MOTOR, TOOL ATTACHMENT MEANS DRIVEN BY SAID DRIVING MEANS, A CYLINDRICAL SHELL AXIALLY MOVABLE IN SAID CASING, AN OVERLOAD SWITCH GOVERNING SAID MOTOR CIRCUIT AND NORMALLY IN CIRCUIT CLOSING POSITION, THERE BEING MEANS ON SAID SHELL FOR PLACING SAID OVERLOAD SWITCH IN CIRCUIT OPENING POSITION UPON AXIAL MOVEMENT OF SAID SHELL AND LOCK MEANS ALSO THEREON, AN ON-OFF SWITCH GOVERNING SAID MOTOR CIRCUIT AND NORMALLY IN A CIRCUIT OPENING POSITION, LOCKING MEANS
Claim 2
Dependent Claim
106 words
A HAND TOOL COMPRISING A CASING, AN ELECTRIC MOTOR IN SAID CASING, AN ELECTRIC CIRCUIT CONNECTING SAID MOTOR WITH A SOURCE OF ELECTRICAL ENERGY, DRIVING MEANS INCLUDING AN OVERLOAD CLUTCH DRIVEN BY SAID ELECTRIC MOTOR, TOOL ATTACHMENT MEANS DRIVEN BY SAID DRIVING MEANS, A CYLINDRICAL SHELL AXIALLY MOVABLE IN SAID CASING, AN OVERLOAD SWITCH GOVERNING SAID MOTOR CIRCUIT AND NORMALLY IN CIRCUIT CLOSING POSITION, THERE BEING MEANS ON SAID SHELL FOR PLACING SAID OVERLOAD SWITCH IN CIRCUIT OPENING POSITION UPON AXIAL MOVEMENT OF SAID SHELL AND LOCK MEANS ALSO THEREON, AN ON-OFF SWITCH GOVERNING SAID MOTOR CIRCUIT AND NORMALLY IN A CIRCUIT OPENING POSITION, LOCKING 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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |