Patent US2538879A successfully refreshed from Google Patents.
US2538879A
Expired / Lapsed
US
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Apparatus for spraying trees
Assignee: DI GIORGIO FRUIT Corp
•
Filing: 1945-10-15
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Granted: 1951-01-23
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Expires: 1965-10-15
Abstract
No abstract record available.
Inventors
- 👤 Ralph V Newcomb
- 👤 Herbert F Keeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:56
CPC Classifications
A; A01; A01M; A01M7/00; A01M7/0003; A01M7/0014; Y; Y10; Y10S; Y10S239/00; Y10S239/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2331107A
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US2358318A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-22 | 1954-07-24 | 1955-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-22 | 1958-07-24 | 1959-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-22 | 1962-07-24 | 1963-01-23 | $7700.00 | Window Closed / Lapsed |