Patent US1624607A successfully refreshed from Google Patents.
US2390302A
Expired / Lapsed
US
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Conveyer
Assignee: SEDGWICK MACHINE WORKS Inc
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Filing: 1943-06-02
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Granted: 1945-12-04
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Expires: 1963-06-02
Abstract
No abstract record available.
Inventors
- 👤 Henricksen Bjarne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:49
CPC Classifications
F; F41; F41A; F41A9/00; F41A9/01; F41A9/04; F41A9/05; B; B65; B65G; B65G1/00; B65G1/02; B65G1/04; B65G1/0407; B65G1/0435; B65G23/00; B65G2811/00; B65G2811/09; B65G2811/095; B65G2811/096
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-12-03 | 1949-06-04 | 1949-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-12-03 | 1953-06-04 | 1953-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-12-03 | 1957-06-04 | 1957-12-04 | $7700.00 | Window Closed / Lapsed |