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Patent US2656669A successfully refreshed from Google Patents.
US2656669A
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Tree shaking mechanism
Assignee: Individual
•
Filing: 1950-03-11
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Granted: 1953-10-27
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Expires: 1970-03-11
Abstract
No abstract record available.
Inventors
- 👤 John E Avansino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:25
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/26; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US502828A
Cited
US1306821A
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US819649A
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US2159311A
Cited
US2465028A
Cited
US2503990A
Cited
US2568193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |