US3454284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bit retainer for impact tools
Assignee: Black and Decker Corp
•
Filing: 1966-09-14
•
Granted: 1969-07-08
•
Expires: 1986-09-14
Abstract
No abstract record available.
Inventors
- 👤 Robert G Moores Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:12
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/08; B25D17/082; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17042; Y10T279/17051
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1015509A
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US1240649A
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US1414234A
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US1429808A
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US1503932A
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US2045296A
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US2182365A
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DE1078064B
Cited
US3022769A
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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) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |