Information
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Patent Grant
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D247248
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Patent Number
D247,248
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Date Filed
Monday, March 29, 197648 years ago
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Date Issued
Tuesday, February 14, 197846 years ago
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Inventors
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Original Assignees
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Examiners
Agents
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US Classifications
Field of Search
US
- D23 1
- D23 4
- D23 40
- 261 121
- 261 122
- 261 124
- 210 150
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International Classifications
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Claims
- The ornamental design for a diffusion plate for oxygenation treatment of sludge or the like, as shown and described.
Priority Claims (1)
| Number |
Date |
Country |
Kind |
| 1262 |
Sep 1975 |
FR |
|
US Referenced Citations (8)
