US2921788A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single sheet feeders
Assignee: Individual
•
Filing: 1955-02-16
•
Granted: 1960-01-19
•
Expires: 1975-02-16
Abstract
No abstract record available.
Inventors
- 👤 James C Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:17
CPC Classifications
B; B65; B65G; B65G59/00; B65G59/02; B65G59/026; B65H; B65H1/00; B65H1/08; B65H1/16; B65H3/00; B65H3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US694039A
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US768930A
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US1626353A
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US1900149A
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US1911884A
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US2137381A
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US2265617A
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US2467493A
Cited
US2654603A
Cited
US2637450A
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US2639149A
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US2648181A
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US2707053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |