US2567542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery breaking machine
Assignee: Individual
•
Filing: 1949-09-29
•
Granted: 1951-09-11
•
Expires: 1969-09-29
Abstract
No abstract record available.
Inventors
- 👤 William O Blake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:32
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/54; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/84; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49108; Y10T29/4911; Y10T29/49751; Y10T29/49755; Y10T29/53; Y10T29/53274; Y10T29/53278
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US976703A
Cited
US2119857A
Cited
US2119858A
Cited
US2250490A
Cited
US2380329A
Cited
US2457519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |