US2808013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil irrigator
Assignee: Individual
•
Filing: 1954-01-28
•
Granted: 1957-10-01
•
Expires: 1974-01-28
Abstract
No abstract record available.
Inventors
- 👤 John A Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:17
CPC Classifications
A; A01; A01M; A01M17/00; A01M17/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US74231A
Cited
US75843A
Cited
US158129A
Cited
US563195A
Cited
AU1646928A
Cited
US2181189A
Cited
US2505174A
Cited
US2611514A
Cited
CH271841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |