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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
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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

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