US3316676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seed packages of water insoluble polyethylene oxide
Assignee: WR Grace and Co
•
Filing: 1965-03-03
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Granted: 1967-05-02
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Expires: 1985-03-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Casimer C Legal
- 👤 Thomas H Nichols
- 👤 William A Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:55
CPC Classifications
A; A01; A01G; A01G7/00; A01C; A01C1/00; A01C1/04; A01C1/046; Y; Y10; Y10S; Y10S260/00; Y10S260/43
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
A METHOD FOR PREPARING A SEED PACKAGE SUITABLE FOR PLANTING COMPRISING: (A) ENCLOSING AT LEAST ONE SEED WITHIN A FILM COMPRISING A WATER SHRINKABLE BUT SUBSTANTIALLY WATER INSOLUBLE, ORIENTED FILM MATERIAL, AND (B) SHRINKING SAID FILM ABOUT SAID SEED TO FORM A PACKAGE BY SUBJECTING SAID FILM TO A HEAT SHRINKING TEMPERATURES FOR A PERIOD OF TIME SUFFICIENT TO CAUSE SAID FILM TO CLOSELY CONFORM TO THE CONTOURS OF SAID SEED WITHOUT RUPTURING SAID FILM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |