Patent US2879993A successfully refreshed from Google Patents.
US2879993A
Expired / Lapsed
US
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Paper feeding device
Assignee: Clary Corp
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Filing: 1957-05-21
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Granted: 1959-03-31
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Expires: 1977-05-21
Abstract
No abstract record available.
Inventors
- 👤 Milton V Scozzafava
- 👤 Richard E Busch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:35
CPC Classifications
B; B41; B41J; B41J11/00; B41J11/26; B41J11/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1882014A
Cited
FR893981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |