US2986840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seed and method of preparing same with urea-aldehyde resin
Assignee: Individual
•
Filing: 1957-12-16
•
Granted: 1961-06-06
•
Expires: 1977-12-16
Abstract
No abstract record available.
Inventors
- 👤 Hugh R Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:41
CPC Classifications
C; C05; C05C; C05C9/00; C05C9/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
46 words
IMPROVED SEED COMPRISING SEED COATED WITH AT LEAST 1% BY WEIGHT OF MATERIALS CONSISTING OF A UREA-ALDEHYDE RESIN CONTAINING AT LEAST ONE OF THE ELEMENTS OF THE GROUP CONSISTING OF N, P, AND K, AND SAID ELEMENTS BEING BONDED TO SAID SEED BY SAID RESINOUS MATERIAL.
References Cited (Backward Citations)
US181136A
Cited
US2083065A
Cited
US2502809A
Cited
US2651833A
Cited
US2766283A
Cited
US2785969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |