US3052598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil fumigant
Assignee: Shell USA Inc
•
Filing: 1960-04-19
•
Granted: 1962-09-04
•
Expires: 1980-04-19
Abstract
No abstract record available.
Inventors
- 👤 David W Racusen
- 👤 Legator Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:29
CPC Classifications
A; A01; A01N; A01N35/00; A01N35/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
AS A NOVEL COMPOSITION OF MATTER, A SOIL FUMIGANT COMPOSITION COMPRISING THE WATER EXTRACT OF WOOD AND ACROLEIN, SAID EXTRACT PREPARED BY TREATING WOOD WITH WATER TO PRODUCE A WATER EXTRACT AND TREATING SAID WATER EXTRACT WITH ACROLEIN, THE RATIO OF SAID WOOD TO SAID ACROLEIN RANGING BETWEEN APPROXIMATELY 1:10 AND 10:1 BY WEIGHT PER UNIT VOLUME.
Claim 2
Dependent Claim
57 words
AS A NOVEL COMPOSITION OF MATTER, A SOIL FUMIGANT COMPOSITION COMPRISING THE WATER EXTRACT OF WOOD AND ACROLEIN, SAID EXTRACT PREPARED BY TREATING WOOD WITH WATER TO PRODUCE A WATER EXTRACT AND TREATING SAID WATER EXTRACT WITH ACROLEIN, THE RATIO OF SAID WOOD TO SAID ACROLEIN RANGING BETWEEN APPROXIMATELY 1:10 AND 10:1 BY WEIGHT PER UNIT VOLUME.
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) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |