US3456743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable power tools
Assignee: PRECIS (188) Ltd
•
Filing: 1968-04-29
•
Granted: 1969-07-22
•
Expires: 1988-04-29
Abstract
No abstract record available.
Inventors
- 👤 David Norman William Badcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:25
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/04; H; H01; H01H; H01H9/00; H01H9/02; H01H9/06; H02; H02K; H02K7/00; H02K7/14; H02K7/145; B25D2250/00; B25D2250/255; B25D2250/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1346893A
Cited
US2396007A
Cited
US2430527A
Cited
US3133600A
Cited
US3203490A
Cited
US3294182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |