US2621692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mushroom trimming machine
Assignee: Individual
•
Filing: 1949-09-30
•
Granted: 1952-12-16
•
Expires: 1969-09-30
Abstract
No abstract record available.
Inventors
- 👤 Joe R Urschel
- 👤 Lewis E Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:01
CPC Classifications
A; A23; A23N; A23N15/00; A23N15/04; A23N15/045; Y; Y10; Y10T; Y10T83/00; Y10T83/525; Y10T83/538; Y10T83/647; Y10T83/6476; Y10T83/6483; Y10T83/654; Y10T83/6542; Y10T83/6584; Y10T83/6592; Y10T83/748; Y10T83/7487; Y10T83/7493
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1347385A
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US2062739A
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US2289015A
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US2494914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |