Patent US3590000A successfully refreshed from Google Patents.
US3590000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid developer for latent electrostatic images
Assignee: Xerox Corp
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Filing: 1967-06-05
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Granted: 1971-06-29
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Expires: 1987-06-05
Abstract
Abstract A FINELY-DIVIDED, RAPID MELTING TONER COMPRISING A COLORANT, A SOLID, STABLE HYDROPHOBIC METAL SALT OF A FATTY ACID, AND A POLYMERIC ESTERIFICATION PRODUCT OF A DICARBOXYLIC ACID AND A DIOL COMPRISING A DIPHENOL.
Inventors
- 👤 Frank M Palermiti
- 👤 Arun K Chatterji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:46
CPC Classifications
G; G03; G03G; G03G9/00; G03G9/08; G03G9/087; G03G9/08742; G03G9/08755; G03G13/00; G03G13/06; G03G13/08; Y; Y10; Y10S; Y10S430/00; Y10S430/001; Y10S430/105; Y10S524/00; Y10S524/901; Y10S524/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |