Patent US2242738A successfully refreshed from Google Patents.
US2956487A
Expired / Lapsed
US
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Electrostatic printing
Assignee: RCA Corp
•
Filing: 1955-03-23
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Granted: 1960-10-18
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Expires: 1975-03-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward C Giaimo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:39
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/02; G03G15/0266; G03G15/04; G03G15/043; G03G15/06; G03G15/065; G03G15/08; G03G15/0822; G03G15/0848; G03G15/0849; G03G15/0851; G03G15/0877; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2808328A
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US2811465A
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US2764060A
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US2716622A
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US2859673A
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US2794366A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |