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US3406508A
Expired / Lapsed
US
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Limb shaker for attachment to a tree
Assignee: University of California Berkeley
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Filing: 1965-08-06
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Granted: 1968-10-22
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Expires: 1985-08-06
Abstract
No abstract record available.
Inventors
- 👤 Robert B Fridley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:07
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/26; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18272
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1897140A
Cited
US2700268A
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US2940539A
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US3041811A
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US3084967A
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US3121304A
Cited
US3212250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |