US2991938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic irrigation system
Assignee: Individual
•
Filing: 1959-10-12
•
Granted: 1961-07-11
•
Expires: 1979-10-12
Abstract
No abstract record available.
Inventors
- 👤 Austin S Norcross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:44
CPC Classifications
A; A01; A01G; A01G25/00; A01G25/16; A01G25/167; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1866
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2875428A
Cited
US2776860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |