US2570537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparations for use in agriculture and horticulture
Assignee: Individual
•
Filing: 1949-06-27
•
Granted: 1951-10-09
•
Expires: 1969-06-27
Abstract
No abstract record available.
Inventors
- 👤 Finch Eric George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
C; C05; C05F; C05F11/00; Y; Y10; Y10S; Y10S47/00; Y10S47/03; Y10S47/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A PROCESS FOR PRODUCING COLLOIDAL HUMUS FOR USE IN HORTICULTURE AND AGRICULTURE CONSISTING IN PASSING A COMPOSITE SOLUTION CONTAINING A SALT OF ALGINIC ACID, INORGANIC PLANT FOOD SUBSTANCES AND PLANT GROWTH HORMONES THROUGH A BED CONTAINING PEAT WHICH HAS BEEN INOCULATED WITH SOIL BACTERIA, COLLECTING THE FLUID DRAINED FROM THE BED, PRECIPITATING SAID FLUID IN A BATH OF SOLUBLE CALCIUM SALT, STRAINING THE PRECIPITATE, REMOVING RESIDUAL FLUID THEREFROM AND DRYING THE PRODUCT SO OBTAINED.
Claim 2
Dependent Claim
74 words
A PROCESS FOR PRODUCING COLLOIDAL HUMUS FOR USE IN HORTICULTURE AND AGRICULTURE CONSISTING IN PASSING A COMPOSITE SOLUTION CONTAINING A SALT OF ALGINIC ACID, INORGANIC PLANT FOOD SUBSTANCES AND PLANT GROWTH HORMONES THROUGH A BED CONTAINING PEAT WHICH HAS BEEN INOCULATED WITH SOIL BACTERIA, COLLECTING THE FLUID DRAINED FROM THE BED, PRECIPITATING SAID FLUID IN A BATH OF SOLUBLE CALCIUM SALT, STRAINING THE PRECIPITATE, REMOVING RESIDUAL FLUID THEREFROM AND DRYING THE PRODUCT SO OBTAINED.
References Cited (Backward Citations)
US550545A
Cited
US570813A
Cited
US1106275A
Cited
US1228587A
Cited
US1606015A
Cited
US2129334A
Cited
GB511948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |