Patent US2775934A successfully refreshed from Google Patents.
US2775934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet fed rotary printing presses
Assignee: Cottrell Co
•
Filing: 1953-02-27
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Granted: 1957-01-01
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Expires: 1973-02-27
Abstract
No abstract record available.
Inventors
- 👤 Hans J Luehrs
- 👤 Jr Henry M Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:13
CPC Classifications
B; B41; B41F; B41F21/00; B41F21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US290748A
Cited
US1879095A
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US2138405A
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DE664747C
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US2286032A
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US2425680A
Cited
US2577099A
Cited
US2621040A
Cited
US2638342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |