US3203490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compact rotary hammer
Assignee: Black and Decker Corp
•
Filing: 1963-06-27
•
Granted: 1965-08-31
•
Expires: 1983-06-27
Abstract
No abstract record available.
Inventors
- 👤 George W Mccarty
- 👤 Harold O Short
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:37
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/02; B25D16/00; B25D2211/00; B25D2211/006; B25D2211/06; B25D2211/068; B25D2250/00; B25D2250/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |