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US2657789A
Expired / Lapsed
US
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Shaker conveyer
Assignee: Individual
•
Filing: 1949-05-11
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Granted: 1953-11-03
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Expires: 1969-05-11
Abstract
No abstract record available.
Inventors
- 👤 Somogyi Francis Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:07
CPC Classifications
B; B65; B65G; B65G27/00; B65G2812/00; B65G2812/03; B65G2812/0348; B65G2812/0352
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE355795C
Cited
FR415480A
Cited
US1022332A
Cited
FR518898A
Cited
US1492927A
Cited
US2045065A
Cited
US2332600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |