US3003073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling means for portable electric tool
Assignee: Black and Decker Corp
•
Filing: 1959-03-20
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Granted: 1961-10-03
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Expires: 1979-03-20
Abstract
No abstract record available.
Inventors
- 👤 John R Bixler
- 👤 Robert L Howell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:59
CPC Classifications
B; B25; B25F; B25F5/00; B25F5/008; B23; B23Q; B23Q11/00; B23Q11/12; B23Q11/126; B23Q11/127; H; H02; H02K; H02K9/00; H02K9/02; H02K9/04; H02K9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1685677A
Cited
DE634066C
Cited
DE596056C
Cited
US2155082A
Cited
US2196952A
Cited
US2436930A
Cited
US2456571A
Cited
US2615942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |