US2922883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic charging means and method
Assignee: RCA Corp
•
Filing: 1955-03-03
•
Granted: 1960-01-26
•
Expires: 1975-03-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward C Giaimo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:01
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/02; G03G15/0291; Y; Y10; Y10S; Y10S101/00; Y10S101/37; Y10S430/00; Y10S430/001; Y10S430/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2647464A
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US2740184A
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US2777745A
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US2711481A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |