US2780169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Margin marked duplicator master set
Assignee: Individual
•
Filing: 1952-10-13
•
Granted: 1957-02-05
•
Expires: 1972-10-13
Abstract
No abstract record available.
Inventors
- 👤 Fortner Turner Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:28
CPC Classifications
B; B41; B41N; B41N1/00; B41N1/24; B41N1/248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1124531A
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US1261516A
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US1644597A
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US1827992A
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US2118883A
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US2188590A
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US2216594A
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US2362952A
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US2381170A
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US2516613A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |