Patent US3001272A successfully refreshed from Google Patents.
US3001272A
Expired / Lapsed
US
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Method of engraving print roller
Assignee: Individual
•
Filing: 1957-11-04
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Granted: 1961-09-26
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Expires: 1977-11-04
Abstract
No abstract record available.
Inventors
- 👤 Picola Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:25
CPC Classifications
B; B44; B44B; B44B3/00; B44B3/06; B44B3/065; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49764; Y10T29/49778
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US921736A
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US2089790A
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US2306233A
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US2393697A
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US2707321A
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US2582275A
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US2798387A
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US2864158A
Cited
US2744329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |