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US2588946A
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US
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Reciprocatory sheet feed device for collators
Assignee: FREDERICK C CAME
•
Filing: 1947-02-19
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Granted: 1952-03-11
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Expires: 1967-02-19
Abstract
No abstract record available.
Inventors
- 👤 Lester M Walden
- 👤 Nils G Hernblad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:23
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/02; B65H3/06; B65H3/0615
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US594831A
Cited
US751687A
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US726386A
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US1116587A
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FR511942A
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US1504256A
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US1536670A
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US2168486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |