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Air filter, or similar article |
| D244538 |
Air filter, or similar article
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| Patent Drawings: | |
| Inventor: |
Wharton, et al. |
| Date Issued: |
May 31, 1977 |
| Application: |
05/575,459 |
| Filed: |
May 7, 1975 |
| Inventors: |
Bell; Clarence (Chicago, IL)
Wharton; Charles E. (Lake Forest, IL)
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| Assignee: |
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| Primary Examiner: |
Burke; Wallace R. |
| Assistant Examiner: |
Jones; Larry |
| Attorney Or Agent: |
Sherman; Benjamin H. |
| U.S. Class: |
D23/365 |
| Field Of Search: |
D23/149; D23/163; D23/141; 55/DIG.31; 55/516; 55/518; 55/532; 98/107; 98/98 |
| International Class: |
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| U.S Patent Documents: |
D177925; 2677436; 2715453; 3774377; 3831765 |
| Foreign Patent Documents: |
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| Other References: |
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| Abstract: |
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| Claim: |
The ornamental design for an air filter, or similar article, substantially as shown. |
| Description: |
FIG. 1 is a plan view of one face of the air filter showing our design;
FIG. 2 is an edge elevational view thereof looking toward the right side in FIG. 1, the opposite edge being identical;
FIG. 3 is an edge elevational view looking toward the lower edge thereof in FIG. 1, the opposite edge being identical; and
FIG. 4 is a plan view of the opposite face thereof.
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