US2703239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet feeding mechanism
Assignee: Individual
•
Filing: 1949-08-13
•
Granted: 1955-03-01
•
Expires: 1969-08-13
Abstract
No abstract record available.
Inventors
- 👤 John F Curran
- 👤 John P Hoffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:33
CPC Classifications
B; B65; B65H; B65H20/00; B65H20/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1707699A
Cited
US2277693A
Cited
US2147683A
Cited
US2208964A
Cited
US2286084A
Cited
GB506399A
Cited
US2239945A
Cited
US2266171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-28 | 1958-08-30 | 1959-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-28 | 1962-08-30 | 1963-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-28 | 1966-08-30 | 1967-03-01 | $7700.00 | Window Closed / Lapsed |