US2497849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet feeding machine
Assignee: SOUTHWORTH MACHINE CO
•
Filing: 1945-04-25
•
Granted: 1950-02-21
•
Expires: 1965-04-25
Abstract
No abstract record available.
Inventors
- 👤 Aberle Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:13
CPC Classifications
B; B65; B65H; B65H5/00; B65H5/02; B65H5/028; B65H3/00; B65H3/08; B65H3/0808; B65H3/0816
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1391271A
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US1498965A
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US1763598A
Cited
GB375260A
Cited
DE555946C
Cited
GB449133A
Cited
US2233935A
Cited
US2085612A
Cited
US2200261A
Cited
US2284430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |