Patent US3072768A successfully refreshed from Google Patents.
US3072768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Built-in switch for insulated portable electric tools
Assignee: Diehl Manufacturing Co
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Filing: 1960-08-02
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Granted: 1963-01-08
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Expires: 1980-08-02
Abstract
No abstract record available.
Inventors
- 👤 Happe Reynold
- 👤 Joseph P Yelpo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:03
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/16; H01H13/00; H01H13/02; H01H13/04; H01H13/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
THE COMBINATION IN A PORTABLE ELECTRIC TOOL HAVING A MOLDED INSULATED HOUSING, OF SPACED INSULATED LUGS FORMED INTERGRALLY WITH SAID HOUSING AND CARRYING SLEEVE-TYPE CONDUCTIVE WIRE TERMINALS PUSHED ONTO SAID LUGS TO COVER SAID LUGS AND FORM STATIONARY SWITCH CONTACTS, WITH A
Claim 2
Dependent Claim
42 words
THE COMBINATION IN A PORTABLE ELECTRIC TOOL HAVING A MOLDED INSULATED HOUSING, OF SPACED INSULATED LUGS FORMED INTERGRALLY WITH SAID HOUSING AND CARRYING SLEEVE-TYPE CONDUCTIVE WIRE TERMINALS PUSHED ONTO SAID LUGS TO COVER SAID LUGS AND FORM STATIONARY SWITCH CONTACTS, WITH A
References Cited (Backward Citations)
US2942087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |