Patent US2932548A successfully refreshed from Google Patents.
US2932548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for reproduction of images
Assignee: AB Dick Co
•
Filing: 1956-09-21
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Granted: 1960-04-12
•
Expires: 1976-09-21
Abstract
No abstract record available.
Inventors
- 👤 Wilmer H Nau
- 👤 Thomas E Dorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:44
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/34; G03G15/344; G03G15/348; B; B41; B41L; B41L45/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1356484A
Cited
US2097233A
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US2143376A
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US2173641A
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US2340317A
Cited
US2633796A
Cited
GB605979A
Cited
US2771336A
Cited
US2716048A
Cited
US2716876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |