US2458769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the photographic reproduction of documents
Assignee: Individual
•
Filing: 1945-08-31
•
Granted: 1949-01-11
•
Expires: 1965-08-31
Abstract
No abstract record available.
Inventors
- 👤 Debrie Andre Victor Le Clement
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:43
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/46; G03B27/465
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1730930A
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US1801458A
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US1645590A
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US1793837A
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US1755177A
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US1940187A
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US1931890A
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US1933797A
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US1904097A
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US2095849A
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US2125388A
Cited
US2364188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-11 | 1952-07-12 | 1953-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-11 | 1956-07-12 | 1957-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-11 | 1960-07-12 | 1961-01-11 | $7700.00 | Window Closed / Lapsed |