US3517755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable electric percussion tools
Assignee: PRECIS (188) Ltd
•
Filing: 1968-04-29
•
Granted: 1970-06-30
•
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
2026-11-06 03:12
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/14; H02K7/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1346893A
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US2240598A
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US2298792A
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US2626599A
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US2461571A
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US2536971A
Cited
US2873735A
Cited
US3133600A
Cited
US3161242A
Cited
US3203490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |