Information
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Patent Grant
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D253230
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Patent Number
D253,230
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Date Filed
Thursday, April 6, 197846 years ago
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Date Issued
Tuesday, October 23, 197945 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
- D25 74
- D25 75
- D25 76
- D25 78
- D25 79
- D25 92
- D25 97
- 404 18
- 404 34
- 404 43
- 296 28 R
- D12 49
- D12 50
- D12 51
- 238 8
- 238 9
- 238 7
- 238 2
- 238 3
- 238 5
- 238 54
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International Classifications
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Claims
- The ornamental design for a railroad crosstie for level crossing between a road and a railroad, substantially as shown and described.
Priority Claims (1)
| Number |
Date |
Country |
Kind |
| 772012 |
Oct 1977 |
SEX |
|
US Referenced Citations (2)
