Patent US2786401A successfully refreshed from Google Patents.
US2786401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Developing and printing apparatus
Assignee: American Photocopy Equipment Co
•
Filing: 1953-06-11
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Granted: 1957-03-26
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Expires: 1973-06-11
Abstract
No abstract record available.
Inventors
- 👤 Lloyd A Briggs
- 👤 William M Lehrer
- 👤 Burton D Eisner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:24
CPC Classifications
G; G03; G03D; G03D9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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DE804890C
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US2664801A
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DE848013C
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US2688281A
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US2742838A
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US2685831A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |