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US3060012A Expired / Lapsed US ⏱️ 0.0 years remaining

Fertilizer cartridge insert

Assignee: Individual
•
Filing: 1960-08-23
•
Granted: 1962-10-23
•
Expires: 1980-08-23
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Abstract

No abstract record available.

Inventors

  • 👤 Pavek Jerry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 16:09
CPC Classifications
A; A01; A01C; A01C21/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 69 words
IN A FERTILIZER CARTRIDGE INSERT, AN OUTER CASING INCLUDING A CONE-SHAPED LOWER POINTED PORTION AND AN UPPER CYLINDRICAL PORTION, FERTILIZER IN SAID LOWER POINTED PORTION, A PLURALITY OF SEPARATE CONCENTRIC FERTILIZER UNITS IN SAID CYLINDRICAL PORTION, AND CYLINDRICAL SPACER MEMBERS INTERPOSED BETWEEN SAID CONCENTRIC UNITS, SAID SPACER MEMBERS BEING POSITIONED ABOVE SAID CONE-SHAPED LOWER POINTED PORTION, THE UPPER CYLINDRICAL PORTION OF SAID CASING HAVING A PLURALITY OF APERTURES THEREIN.
Claim 2
Dependent Claim 69 words
IN A FERTILIZER CARTRIDGE INSERT, AN OUTER CASING INCLUDING A CONE-SHAPED LOWER POINTED PORTION AND AN UPPER CYLINDRICAL PORTION, FERTILIZER IN SAID LOWER POINTED PORTION, A PLURALITY OF SEPARATE CONCENTRIC FERTILIZER UNITS IN SAID CYLINDRICAL PORTION, AND CYLINDRICAL SPACER MEMBERS INTERPOSED BETWEEN SAID CONCENTRIC UNITS, SAID SPACER MEMBERS BEING POSITIONED ABOVE SAID CONE-SHAPED LOWER POINTED PORTION, THE UPPER CYLINDRICAL PORTION OF SAID CASING HAVING A PLURALITY OF APERTURES THEREIN.

References Cited (Backward Citations)

US1971390A Cited
US2032608A Cited
US2067589A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-10-22 1966-04-23 1966-10-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-10-22 1970-04-23 1970-10-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-10-22 1974-04-23 1974-10-23 $7700.00 Window Closed / Lapsed

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