Patent DE2733650A1 successfully refreshed from Google Patents.
US3494799A
Expired / Lapsed
US
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Battery access handle for cordless electric device
Assignee: Black and Decker Corp
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Filing: 1968-10-01
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Granted: 1970-02-10
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Expires: 1988-10-01
Abstract
No abstract record available.
Inventors
- 👤 Michael J Pedone Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:56
CPC Classifications
B; B25; B25B; B25B21/00; B25F; B25F5/00; B25F5/02; Y; Y02; Y02E; Y02E60/00; Y02E60/10
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) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |