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US3973316A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making plant container

Assignee: Individual
•
Filing: 1975-03-17
•
Granted: 1976-08-10
•
Expires: 1995-03-17
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Abstract

Abstract A plant container is formed from a plastic foam cup having a funnel-shaped sidewall and a disk-shaped bottom closing the small end of the sidewall by severing a first portion of the cup, including the bottom and a part of the sidewall, from a second portion of the cup, including the remaining part of the sidewall, along a plane perpendicular to a central axis passing through the cup and inserting and wedging the first portion into the second portion.

Inventors

  • 👤 William Joseph Maher

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 23:55
CPC Classifications
B; B31; B31D; B31D1/00; B31D1/0043; B31D1/005; B31B; B31B2105/00; B31B2105/002; B31B2105/0022; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49796

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 81 words
A method of forming a plant container from a plastic foam cup having a funnel-shaped sidewall and a disk-shaped bottom closing a small end of said sidewall comprising, severing a first portion of said cup, including said bottom and a part of said sidewall, from a second portion of said cup, including the remaining part of said sidewall, along a plane perpendicular to a central axis passing through said cup, and, inserting and wedging said first portion into said second portion.
Claim 2
Independent Claim 81 words
A method of forming a plant container from a plastic foam cup having a funnel-shaped sidewall and a disk-shaped bottom closing a small end of said sidewall comprising, severing a first portion of said cup, including said bottom and a part of said sidewall, from a second portion of said cup, including the remaining part of said sidewall, along a plane perpendicular to a central axis passing through said cup, and, inserting and wedging said first portion into said second portion.
Claim 3
Dependent Claim 12 words
The method as defined in claim 1 including perforating said disk-shaped bottom.
Claim 4
Dependent Claim 30 words
The method as defined in claim 1 wherein said severing is accomplished by rotating said cup about its central axis and placing a cutting blade into contact with said sidewall.

References Cited (Backward Citations)

US1380812A Cited
US1756243A Cited
US1801930A Cited
US2415625A Cited
US2893167A Cited
US3028798A Cited
US3409710A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-08-10 1980-02-09 1980-08-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-08-10 1984-02-09 1984-08-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-08-10 1988-02-09 1988-08-10 $7700.00 Window Closed / Lapsed

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