US2932128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seed impregnation including bacterial and vacuum treatment
Assignee: Northrup King and Co
•
Filing: 1957-10-14
•
Granted: 1960-04-12
•
Expires: 1977-10-14
Abstract
No abstract record available.
Inventors
- 👤 Frederic E Porter
- 👤 Vernon W Mcalpine
- 👤 Jr Howard E Kaerwer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:10
CPC Classifications
A; A01; A01C; A01C1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN A PROCESS FOR IMPREGNATING SEEDS WITH FINELY DIVIDED PARTICULATE MATTER, THE COMBINATION OF STEPS CONSISTING OF: CONTACTING SEEDS UNDER ATMOSPHERIC PRESSURE WITH A LIQUID SLURRY OF FINELY DIVIDED, PARTICULATE MATTER, REDUCING THE PRESSURE THEREON TO BELOW ATMOSPHERIC PRESSURE, WITH THE SEEDS IN CONTACT WITH SAID SLURRY, AND RELEASING THE VACCUM THUS CREATED, WITH THE SEEDS IN CONTACT WITH SAID SLURRY.
Claim 2
Dependent Claim
61 words
IN A PROCESS FOR IMPREGNATING SEEDS WITH FINELY DIVIDED PARTICULATE MATTER, THE COMBINATION OF STEPS CONSISTING OF: CONTACTING SEEDS UNDER ATMOSPHERIC PRESSURE WITH A LIQUID SLURRY OF FINELY DIVIDED, PARTICULATE MATTER, REDUCING THE PRESSURE THEREON TO BELOW ATMOSPHERIC PRESSURE, WITH THE SEEDS IN CONTACT WITH SAID SLURRY, AND RELEASING THE VACCUM THUS CREATED, WITH THE SEEDS IN CONTACT WITH SAID SLURRY.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |