US3973316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making plant container
Assignee: Individual
•
Filing: 1975-03-17
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Granted: 1976-08-10
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Expires: 1995-03-17
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)
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Cited
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Cited
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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 |