Patent US3977278A successfully refreshed from Google Patents.
US3977278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automotive electric impact wrench
Assignee: Lawrence Peska Associates Inc
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Filing: 1975-06-18
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Granted: 1976-08-31
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Expires: 1995-06-18
Abstract
Abstract An electric impact wrench for use in conjunction with an automobile has a rotary power tool in a housing, a cable emanating from the housing has alligator clips at its end for engaging the terminals of a car battery. The impact tool includes a light on the housing to facilitate night tire changing.
Inventors
- 👤 John Van Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:27
CPC Classifications
B; B25; B25B; B25B21/00; B25B21/02; B25B23/00; B25B23/18; B25F; B25F5/00; B25F5/02; B25F5/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A power tool apparatus adapted to receive a socket tool for working on an automobile comprising, a housing for said power tool, a motor within said housing, means drivingly connected to said motor for carrying said socket tool, a light on said housing to facilitate night work on said automobile, two-conductor cable means emanating from said housing for supplying electrical power to said motor and said light, a free end of said cable means having electrical connector means configured to simultaneously engage the two terminals of an auto battery, first switch means on said housing electrically interposed between said cable means and said motor and second switch means on said housing electrically interposed between said cable means and said light.
Claim 2
Dependent Claim
120 words
A power tool apparatus adapted to receive a socket tool for working on an automobile comprising, a housing for said power tool, a motor within said housing, means drivingly connected to said motor for carrying said socket tool, a light on said housing to facilitate night work on said automobile, two-conductor cable means emanating from said housing for supplying electrical power to said motor and said light, a free end of said cable means having electrical connector means configured to simultaneously engage the two terminals of an auto battery, first switch means on said housing electrically interposed between said cable means and said motor and second switch means on said housing electrically interposed between said cable means and said light.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-31 | 1980-03-01 | 1980-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-31 | 1984-03-01 | 1984-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-31 | 1988-03-01 | 1988-08-31 | $7700.00 | Window Closed / Lapsed |