Patent US1935445A successfully refreshed from Google Patents.
US2880696A
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US
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Apparatus for developing an electrostatic latent image
Assignee: Xerox Corp
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Filing: 1956-05-02
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Granted: 1959-04-07
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Expires: 1976-05-02
Abstract
No abstract record available.
Inventors
- 👤 Harold E Clark
- 👤 Robert W Gundlach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:36
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2376342A
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US2184348A
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US2618551A
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US2573881A
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US2676100A
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US2786440A
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US2786439A
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US2786441A
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US2836147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |