Patent US2494956A successfully refreshed from Google Patents.
US2494956A
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Removable battery case
Assignee: Individual
•
Filing: 1945-09-20
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Granted: 1950-01-17
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Expires: 1965-09-20
Abstract
No abstract record available.
Inventors
- 👤 Mendelsohn Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:47
CPC Classifications
F; F21; F21L; F21L4/00; F21V; F21V23/00; G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US595327A
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US884481A
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US1406359A
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US1544772A
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FR770888A
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GB420997A
Cited
US2221126A
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US2312305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |