Patent US2513608A successfully refreshed from Google Patents.
US2513608A
Expired / Lapsed
US
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Vibrator with automatic regulation
Assignee: Oak Manufacturing Co
•
Filing: 1948-07-08
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Granted: 1950-07-04
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Expires: 1968-07-08
Abstract
No abstract record available.
Inventors
- 👤 Luther J Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:13
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/64; H01H50/74; H01H50/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US324152A
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US1155157A
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US1190244A
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US1804961A
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US2017687A
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US2213854A
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US2484093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |