Patent US2895413A successfully refreshed from Google Patents.
US2895413A
Expired / Lapsed
US
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Pressure roller support and moving means for a rotary duplicating machine
Assignee: Individual
•
Filing: 1956-03-27
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Granted: 1959-07-21
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Expires: 1976-03-27
Abstract
No abstract record available.
Inventors
- 👤 Ritzerfeld Wilhelm
- 👤 Ritzerfeld Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:38
CPC Classifications
B; B41; B41L; B41L5/00; B41L5/04; B41L5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2018282A
Cited
US2072534A
Cited
US2205720A
Cited
US2356315A
Cited
US2553399A
Cited
US2758539A
Cited
US2753791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |