US3217559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trigger locking means for portable electric device
Assignee: Black and Decker Corp
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Filing: 1963-01-21
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Granted: 1965-11-16
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Expires: 1983-01-21
Abstract
No abstract record available.
Inventors
- 👤 Daniel M Elligson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:29
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/20; B; B23; B23B; B23B45/00; B23B45/001; H01H9/02; H01H9/06; H01H2009/068; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN A HAND-PORTABLE ELECTRICAL DEVICE, THE COMBINATION OF: (A) A HOUSING; (B) A PENDANT HANDLE SECURED TO SAID HOUSING; (C) A TRIGGER MOVABLE IN A PLANE IN SAID HOUSING; (D) SAID TRIGGER HAVING A PORTION DISPOSED BELOW SAID HOUSING AND FORWARDLY OF SAID HANDLE, AND SAID TRIGGER NORMALLY HAVING AN "OFF" POSITION IN WHICH THE DEVICE IS DE-ENERGIZED AND ALTERNATELY HAVING AN "ON" POSITION IN WHICH THE DEVICE IS ENERGIZED; (E) RESILIENT MEANS BIASING SAID TRIGGER TO ITS "OFF" POSITION; AND (F) MEANS INCLUDING A POSITIVE LOCKING MEMBER MOVABLE INDEPENDENTLY OF SAID TRIGGER, AND TRANVERSELY TO THE PLANE OF MOVEMENT OF SAID TRIGGER, TO SELECTIVELY LOCK SAID TRIGGER EITHER IN ITS "ON" POSITION OR IN ITS "OFF" POSITION; (G) SAID LOCKING MEMBER REQUIRING A DELIBRATE MANUAL EFFORT FOR MOVEMENT FROM ITS UNLOCKING POSITION TO ITS LOCKING POSITION, AND VICE VERSA.
Claim 2
Dependent Claim
140 words
IN A HAND-PORTABLE ELECTRICAL DEVICE, THE COMBINATION OF: (A) A HOUSING; (B) A PENDANT HANDLE SECURED TO SAID HOUSING; (C) A TRIGGER MOVABLE IN A PLANE IN SAID HOUSING; (D) SAID TRIGGER HAVING A PORTION DISPOSED BELOW SAID HOUSING AND FORWARDLY OF SAID HANDLE, AND SAID TRIGGER NORMALLY HAVING AN "OFF" POSITION IN WHICH THE DEVICE IS DE-ENERGIZED AND ALTERNATELY HAVING AN "ON" POSITION IN WHICH THE DEVICE IS ENERGIZED; (E) RESILIENT MEANS BIASING SAID TRIGGER TO ITS "OFF" POSITION; AND (F) MEANS INCLUDING A POSITIVE LOCKING MEMBER MOVABLE INDEPENDENTLY OF SAID TRIGGER, AND TRANVERSELY TO THE PLANE OF MOVEMENT OF SAID TRIGGER, TO SELECTIVELY LOCK SAID TRIGGER EITHER IN ITS "ON" POSITION OR IN ITS "OFF" POSITION; (G) SAID LOCKING MEMBER REQUIRING A DELIBRATE MANUAL EFFORT FOR MOVEMENT FROM ITS UNLOCKING POSITION TO ITS LOCKING POSITION, AND VICE VERSA.
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |