US2806324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for improving the water receiving and retaining characteristics of land
Assignee: Individual
•
Filing: 1953-11-20
•
Granted: 1957-09-17
•
Expires: 1973-11-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Ruth
- 👤 John A Reddick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:17
CPC Classifications
A; A01; A01B; A01B45/00; A01B45/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1306547A
Cited
US2172574A
Cited
US664741A
Cited
US1298509A
Cited
US1401386A
Cited
US1724449A
Cited
US1802273A
Cited
US1955631A
Cited
GB461512A
Cited
US2127510A
Cited
US2067781A
Cited
US2509691A
Cited
US2514890A
Cited
US2580236A
Cited
US2631013A
Cited
US2669067A
Cited
US2694967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |