US2539288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spraying apparatus with adjustable booms
Assignee: Individual
•
Filing: 1947-05-27
•
Granted: 1951-01-23
•
Expires: 1967-05-27
Abstract
No abstract record available.
Inventors
- 👤 Forest B Van Horn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:31
CPC Classifications
A; A01; A01M; A01M7/00; A01M7/005; A01M7/0071; A01M7/0075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US770506A
Cited
GB189614720A
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US804675A
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US757935A
Cited
FR339229A
Cited
US1293534A
Cited
US1633294A
Cited
US1632047A
Cited
US2227222A
Cited
US2292897A
Cited
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 |