US2674490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for irrigating plants
Assignee: Individual
•
Filing: 1948-06-24
•
Granted: 1954-04-06
•
Expires: 1968-06-24
Abstract
No abstract record available.
Inventors
- 👤 Lorenzo A Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:52
CPC Classifications
A; A01; A01G; A01G25/00; A01G25/16; A01G25/167; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1866; Y10T137/189; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86928
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |