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 Title: |
US5056841:
Chopsticks
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Yong, Yim-Fong; Bogota D.E., Colombia
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| Assignee: |
None
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| Published / Filed: |
1991-10-15
/ 1990-03-13
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| Application Number: |
US1990000492195
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| IPC Code: |
Advanced:
A47G 21/06;
IPC-7:
A47G 21/00;
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| ECLA Code: |
A47G21/10B;
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| U.S. Class: |
Current:
294/001.1;
294/005.5;
294/023.5;
Original:
294/001.1;
294/005.5;
294/023.5;
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| Field of Search: |
294/1.15,5.5,8.5,11,15,16,19.1,23.5,33,87.11,99.2
D07/042,75,99,102,137,138,152,642,683,688
030/123,124,137,142,150,322,324,340
426/134
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| Priority Number: |
| 1990-03-13 |
US1990000492195 |
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| Abstract: |
Attractive, inexpensive, sanitary and effective chopsticks are formed of elongated, hollow tubular elements formed of relatively rigid, non-toxic plastic having closed upper and lower ends. Corrugated portions are provided near the lower ends which extend substantially entirely about the hollow tube so as to provide an improved gripping surface.
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| Attorney, Agent or Firm: |
Browdy and Neimark ;
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| Primary / Asst. Examiners: |
Cherry, Johnny D.;
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| Maintenance Status: |
E2 Expired Check current status
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| INPADOC Legal Status: |
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| Family: |
None
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First Claim:
Show all 9 claims |
What is claimed is:
1. A pair of chopsticks eating utensils, each of said chopsticks comprising
- an elongated, hollow tube formed of rigid non-toxic plastic and having a lower closed end and an upper closed end, said tube having a sidewall of sufficient thickness to make said tube rigid, said tube having an intermediate corrugated portion near said lower closed end, said intermediate corrugated portion comprising a series of axially spaced corrugations extending substantially entirely about said sidewall.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 15 U.S. patent(s) that reference this one
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