US3494328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid photoelectrostatic developer unit
Assignee: AB Dick Co
•
Filing: 1966-09-01
•
Granted: 1970-02-10
•
Expires: 1986-09-01
Abstract
No abstract record available.
Inventors
- 👤 William Maloney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:05
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/10; G03G15/104; G03G15/105; G05; G05D; G05D21/00; G05D21/02; Y; Y10; Y10S; Y10S222/00; Y10S222/01; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/2509
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2956487A
Cited
US3094049A
Cited
US3381662A
Cited
US3233781A
Cited
US3361113A
Cited
US3369524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |