US2821828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fruit-sorting machine
Assignee: Individual
•
Filing: 1953-09-03
•
Granted: 1958-02-04
•
Expires: 1973-09-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Hans Kernen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:36
CPC Classifications
B; B07; B07B; B07B13/00; B07B13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2603383A
Cited
US1048963A
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US1184697A
Cited
US1394167A
Cited
US1913042A
Cited
US1961479A
Cited
US1987916A
Cited
US2592642A
Cited
US2647670A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |