US2780495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Irrigation attachment
Assignee: Individual
•
Filing: 1955-04-04
•
Granted: 1957-02-05
•
Expires: 1975-04-04
Abstract
No abstract record available.
Inventors
- 👤 Henry N Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:15
CPC Classifications
A; A01; A01G; A01G25/00; Y; Y10; Y10S; Y10S411/00; Y10S411/918; Y10S411/955; Y10S411/965; Y10S411/97
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2037145A
Cited
US2562328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |