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Trolley bus bar |
| D289984 |
Trolley bus bar
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| Patent Drawings: | |
| Inventor: |
Ishikura, et al. |
| Date Issued: |
May 26, 1987 |
| Application: |
06/639,963 |
| Filed: |
August 10, 1984 |
| Inventors: |
Ishikura; Takashi (Osaka, JP)
Mino; Joji (Osaka, JP)
Nagato; Takaaki (Osaka, JP)
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| Assignee: |
Tsubakimoto Chain Co. (Osaka, JP) |
| Primary Examiner: |
Burke; Wallace R. |
| Assistant Examiner: |
Chin; Kay H. |
| Attorney Or Agent: |
Flynn, Thiel, Boutell & Tanis |
| U.S. Class: |
D12/50 |
| Field Of Search: |
D12/49; D12/50; D12/42; 104/93; 104/110; 104/191; 104/45A; D25/74 |
| International Class: |
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| U.S Patent Documents: |
D278229; 4393785; 4520733 |
| Foreign Patent Documents: |
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| Other References: |
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| Abstract: |
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| Claim: |
Theornamental design for a trolley bus bar, as shown and described. |
| Description: |
FIG. 1 is a front elevational view of a trolley bus bar showing our design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a left side elevational view thereof; and
FIG. 7 is a perspective view thereof.
The trolley bus bar in FIGS. 1 through 4 is shown broken away in the center for convenience of illustration.
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