US3245341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powder image forming device
Assignee: Electrostatic Printing Corp of America
•
Filing: 1963-04-15
•
Granted: 1966-04-12
•
Expires: 1983-04-15
Abstract
No abstract record available.
Inventors
- 👤 Clyde O Childress
- 👤 Alonzo W Noon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:05
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; B; B41; B41L; B41L13/00; B41L13/04; B41M; B41M1/00; B41M1/12; B41M1/125; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
18 words
A POWDER IMAGE PRINTING SYSTEM COMPRISING A SOURCE OF POWDER PARTICLES, A POROUS BODY HAVING AN OUTER SUR-
References Cited (Backward Citations)
US1668322A
Cited
US2029273A
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US2419695A
Cited
US2468400A
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US2590321A
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US2525135A
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US2788860A
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US3063216A
Cited
US2787556A
Cited
US3008826A
Cited
US3129442A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |