Patent US2803460A successfully refreshed from Google Patents.
US2803460A
Expired / Lapsed
US
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Sheet feeding
Assignee: Planeta Druckmaschinenwerk AG
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Filing: 1953-03-20
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Granted: 1957-08-20
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Expires: 1973-03-20
Abstract
No abstract record available.
Inventors
- 👤 Meltendorf Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:25
CPC Classifications
B; B41; B41F; B41F21/00; B41F21/10; B41F21/04; B41F21/05; B65; B65H; B65H11/00; B65H11/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2248079A
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US2317993A
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US2377447A
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US2466862A
Cited
US2642282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |