Patent US3719121A successfully refreshed from Google Patents.
US3719121A
Expired / Lapsed
US
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Reducing apparatus and method
Assignee: NEW FRANKLIN MINT
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Filing: 1970-06-05
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Granted: 1973-03-06
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Expires: 1990-06-05
Abstract
Abstract APPARATUS AND METHOD ARE DISCLOSED FOR OPTICALLY SCANNING A PICTURE AND REPRODUCING A DIE OF THE PICTURE ON A REDUCED SCALE. THE PICTURE MUST HAVE TRUCE SHADE DEPTH.
Inventors
- 👤 K Kirkham
- 👤 R Okell
- 👤 H Kirkham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:17
CPC Classifications
B; B44; B44B; B44B1/00; B44B1/02; B44B1/04; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/30112; Y10T409/301176; Y10T409/301624; Y10T409/30168; Y10T409/30224; Y10T409/302688; Y10T409/302744
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |