US3220368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for planting and treating a seed bed
Assignee: GANDY Co
•
Filing: 1962-09-13
•
Granted: 1965-11-30
•
Expires: 1982-09-13
Abstract
No abstract record available.
Inventors
- 👤 Ebenhard S Gandrud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:51
CPC Classifications
A; A01; A01C; A01C7/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
64 words
THE METHOD OF TREATING EARTH TO ENHANCE THE GROWTH OF PLANTED SEED THEREIN COMPRISING THE STEPS OF CONTINUOUSLY AND SIMULTANEOUSLY COMPACTING A SUBSOIL LAYER OF EARTH OVER THE PLANTED SEED WHILE FORMING A LAYER OF TOP LOOSE EARTH OVER THE COMPACTED LAYER, AND DEPOSITING A LAYER OF WEED KILLING CHEMICAL OVER SAID LOOSE EARTH WHILE COVERING SAID CHEMICAL WITH A LAYER OF LOOSE EARTH.
References Cited (Backward Citations)
US500418A
Cited
US643034A
Cited
US1229604A
Cited
US1231353A
Cited
US1301043A
Cited
US1839000A
Cited
US1901299A
Cited
US2200631A
Cited
US2619260A
Cited
GB612779A
Cited
US2669067A
Cited
US2713836A
Cited
US2694969A
Cited
US2730054A
Cited
US2842078A
Cited
US2881848A
Cited
AT205273B
Cited
US2920587A
Cited
US2965053A
Cited
US2981213A
Cited
US3042118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |