US3402698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnet assembly for magnetic developing brush and developing apparatus for electrostatic process
Assignee: PATRIARCH PARTNERS AGENCY SERVICES LLC
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Filing: 1967-05-26
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Granted: 1968-09-24
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Expires: 1987-05-26
Abstract
No abstract record available.
Inventors
- 👤 Kojima Motoki
- 👤 Kutsuwada Noboru
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:52
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/09; G03G15/0921
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |