US2779592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed hopper
Assignee: AMERICAN BOX BOARD CO
•
Filing: 1954-09-09
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Granted: 1957-01-29
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Expires: 1974-09-09
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Hartman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:30
CPC Classifications
B; B65; B65H; B65H43/00; B65G; B65G47/00; B65G2811/00; B65G2811/06; B65G2811/0673; B65G2811/0689; B65G2811/0694; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/421; B65H2301/4213; B65H2301/42134
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |