US2653449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil irrigation system
Assignee: Individual
•
Filing: 1949-02-15
•
Granted: 1953-09-29
•
Expires: 1969-02-15
Abstract
No abstract record available.
Inventors
- 👤 Stauch Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:14
CPC Classifications
A; A01; A01G; A01G25/00; A01G25/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US271089A
Cited
US640077A
Cited
US888217A
Cited
US1538669A
Cited
US1677153A
Cited
GB290467A
Cited
US2052020A
Cited
GB507865A
Cited
FR848988A
Cited
US2309233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |