US2959353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic charger apparatus
Assignee: Motors Liquidation Co
•
Filing: 1954-10-04
•
Granted: 1960-11-08
•
Expires: 1974-10-04
Abstract
No abstract record available.
Inventors
- 👤 Frank A Croskey
- 👤 Tuttle Charles Derwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:04
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/025; B05B5/053; B05B5/0533; B05B5/0535; B05B5/08; B05B5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2302185A
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US2697411A
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US2509277A
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US2546701A
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US2659841A
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US2633512A
Cited
US2615103A
Cited
US2767359A
Cited
US2710773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |