Patent US2889849A successfully refreshed from Google Patents.
US2889849A
Expired / Lapsed
US
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Irrigation valve
Assignee: Individual
•
Filing: 1957-01-28
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Granted: 1959-06-09
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Expires: 1977-01-28
Abstract
No abstract record available.
Inventors
- 👤 Shohan Elliot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:23
CPC Classifications
A; A01; A01G; A01G25/00; A01G25/16; F; F16; F16K; F16K27/00; F16K27/02; F16K27/0263; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/612; Y10T137/613; Y10T137/6137
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |