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US2446246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photocopy machine
Assignee: Xerox Corp
•
Filing: 1946-09-03
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Granted: 1948-08-03
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Expires: 1966-09-03
Abstract
No abstract record available.
Inventors
- 👤 Edward R Sabel
- 👤 Frank I Galbrecht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:19
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/14; G03B27/30; G03B27/303
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US46026A
Cited
US1260595A
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US1457451A
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US1768501A
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US1852662A
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US2060286A
Cited
US1894092A
Cited
US2265975A
Cited
US2347189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-03 | 1952-02-02 | 1952-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-03 | 1956-02-02 | 1956-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-03 | 1960-02-02 | 1960-08-03 | $7700.00 | Window Closed / Lapsed |