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US2652249A
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Stack support for sheet feeders
Assignee: Ditto Inc
•
Filing: 1949-04-08
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Granted: 1953-09-15
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Expires: 1969-04-08
Abstract
No abstract record available.
Inventors
- 👤 Herbert F Bruns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:57
CPC Classifications
B; B65; B65H; B65H1/00; B65H1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1419733A
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US1395897A
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US1989911A
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US1793162A
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US1964498A
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US2112341A
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US2214960A
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US2228109A
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US2358560A
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US2336839A
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US2494075A
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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) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |