Information
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Patent Grant
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D316167
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Patent Number
D316,167
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Date Filed
Monday, October 31, 198836 years ago
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Date Issued
Tuesday, April 9, 199133 years ago
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Inventors
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Original Assignees
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Examiners
- Word; A. Hugo
- Coles; Doris V.
Agents
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US Classifications
Field of Search
US
- D32 19
- D32 21
- D32 22
- 015 320-324
- 015 332-333
- 015 335
- 015 339
- 015 3402
- 015 344
- 015 347
- 015 350-353
- 015 360
- 015 383
- 015 410
- 015 412
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Claims
- The ornamental design for vacuum cleaner, as shown and described.
US Referenced Citations (5)
| Number |
Name |
Date |
Kind |
|
D293728 |
Ohhira et al. |
Jan 1988 |
|
|
D299176 |
Bowerman et al. |
Dec 1988 |
|
|
D301784 |
Petralia et al. |
Jun 1989 |
|
|
4670937 |
Sumerau et al. |
Jun 1987 |
|
|
4686736 |
Petralia et al. |
Aug 1987 |
|
Continuation in Parts (1)
|
Number |
Date |
Country |
| Parent |
836468 |
Feb 1986 |
|
