US2795899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic tree injector
Assignee: Individual
•
Filing: 1955-02-28
•
Granted: 1957-06-18
•
Expires: 1975-02-28
Abstract
No abstract record available.
Inventors
- 👤 Renel W Little
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:51
CPC Classifications
A; A01; A01G; A01G7/00; A01G7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US551527A
Cited
US951760A
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AU393912A
Cited
AU846213A
Cited
FR708127A
Cited
US1934080A
Cited
US2069684A
Cited
US2206053A
Cited
US2290363A
Cited
US2687598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |