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Patent US3501236A successfully refreshed from Google Patents.
US3501236A
Expired / Lapsed
US
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Photoelectrostatic print-out machine
Assignee: AB Dick Co
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Filing: 1967-02-20
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Granted: 1970-03-17
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Expires: 1987-02-20
Abstract
No abstract record available.
Inventors
- 👤 William R Maloney
- 👤 Arthur L Hallquist
- 👤 Daniel B Granzow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:47
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/70; B; B41; B41J; B41J29/00; B41J29/46; B41J29/48; G03G21/00; G03G21/14; G06; G06K; G06K13/00; G06K13/02; G06K13/06
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) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |