Patent JPS5524928A successfully refreshed from Google Patents.
US3374768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Developing apparatus for electrophotography
Assignee: Arlside Ltd
•
Filing: 1965-07-26
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Granted: 1968-03-26
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Expires: 1985-07-26
Abstract
No abstract record available.
Inventors
- 👤 Lawes Louis Frederick William
- 👤 Shreeve Nicholas Gilbert
- 👤 Mihalik Nandor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:38
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/0801; G03G15/0822; G03G15/0865; G03G15/0877; G03G15/0887; G03G15/0891; Y; Y10; Y10S; Y10S222/00; Y10S222/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US617563A
Cited
US671827A
Cited
AT74531B
Cited
US1497772A
Cited
US2624652A
Cited
US3152012A
Cited
US3140677A
Cited
US3221938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |