Patent US2543073A successfully refreshed from Google Patents.
US2543073A
Expired / Lapsed
US
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Method and means for printing and enlarging pictures in color
Assignee: Individual
•
Filing: 1942-04-29
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Granted: 1951-02-27
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Expires: 1962-04-29
Abstract
No abstract record available.
Inventors
- 👤 Vernum C Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:26
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1989553A
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US1854864A
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US1822489A
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US1970311A
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US1984471A
Cited
FR745942A
Cited
US1962679A
Cited
FR789471A
Cited
US2154868A
Cited
US2155075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |