Patent US1181580A successfully refreshed from Google Patents.
Patent JPS6148568A successfully refreshed from Google Patents.
Patent US3034882A successfully refreshed from Google Patents.
US3034882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a humus carrier for plant nutrients
Assignee: Individual
•
Filing: 1959-07-06
•
Granted: 1962-05-15
•
Expires: 1979-07-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles S Renwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:58
CPC Classifications
C; C05; C05F; C05F11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
THE METHOD OF PRODUCING A HUMUS CARRIER FOR PLANT NUTRIENTS COMPRISING THE STEPS OF FORMING TO APPROPRIATE SIZE A CHIP OF WOOD HAVING A MYRIAD OF VOIDS THEREIN, REMOVING A SUBSTANTIAL AMOUNT OF MOISTURE FROM SAID BODY, TREATING THE CHIP WITH A COMPOUND OF CHEMICAL PLANT NUTRIENTS IN SOLUTION INCLUDING PHOSPHORIC ACID TO SATURATE SAID CHIP AND FILL THE VOIDS THEREIN, TREATING THE SATURATED CHIP WITH A SILICATE OF SODA SOLUTION TO EFFECT A REACTION BETWEEN SAID PHOSPHORIC ACID AND THE SILICA OF SODA TO PRODUCE ON SAID CHIP A GELATINOUS ORTHOSILIC ACID PRECIPITATE, AND SUBSEQUENTLY DEHYDRATING SAID ORTHOSILIC PRECIPITATE TO EFFECT THE DEPOSITION ON SAID CHIP OF A FINE GRAINED SILICA COATING SEALING SAID PLANT NUTRIENTS WITHIN THE CHIP.
Claim 2
Independent Claim
120 words
THE METHOD OF PRODUCING A HUMUS CARRIER FOR PLANT NUTRIENTS COMPRISING THE STEPS OF FORMING TO APPROPRIATE SIZE A CHIP OF WOOD HAVING A MYRIAD OF VOIDS THEREIN, REMOVING A SUBSTANTIAL AMOUNT OF MOISTURE FROM SAID BODY, TREATING THE CHIP WITH A COMPOUND OF CHEMICAL PLANT NUTRIENTS IN SOLUTION INCLUDING PHOSPHORIC ACID TO SATURATE SAID CHIP AND FILL THE VOIDS THEREIN, TREATING THE SATURATED CHIP WITH A SILICATE OF SODA SOLUTION TO EFFECT A REACTION BETWEEN SAID PHOSPHORIC ACID AND THE SILICA OF SODA TO PRODUCE ON SAID CHIP A GELATINOUS ORTHOSILIC ACID PRECIPITATE, AND SUBSEQUENTLY DEHYDRATING SAID ORTHOSILIC PRECIPITATE TO EFFECT THE DEPOSITION ON SAID CHIP OF A FINE GRAINED SILICA COATING SEALING SAID PLANT NUTRIENTS WITHIN THE CHIP.
References Cited (Backward Citations)
USRE21638E
Cited
US847749A
Cited
US1446113A
Cited
US2091993A
Cited
US2029988A
Cited
US2498480A
Cited
US2547730A
Cited
US2806773A
Cited
US2881066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |