Patent US3372675A successfully refreshed from Google Patents.
US3372675A
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US
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Electrostatic image processor
Assignee: Friden Inc
•
Filing: 1966-08-01
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Granted: 1968-03-12
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Expires: 1986-08-01
Abstract
No abstract record available.
Inventors
- 👤 Willard J Tressel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:44
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/0803; G03G9/00; G03G9/08; G03G9/10; G03G9/103; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732775A
Cited
US3008826A
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US3140199A
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US3263234A
Cited
US3255730A
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US3295440A
Cited
US3306193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |