US2729199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tree shakers
Assignee: Individual
•
Filing: 1951-09-17
•
Granted: 1956-01-03
•
Expires: 1971-09-17
Abstract
No abstract record available.
Inventors
- 👤 John P Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:58
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1626068A
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US1998873A
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US2081248A
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US2013665A
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US2030986A
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US2030052A
Cited
US2159311A
Cited
US2332561A
Cited
US2388662A
Cited
US2341463A
Cited
US2568450A
Cited
US2567872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |