Information
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Patent Grant
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D304499
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Patent Number
D304,499
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Date Filed
Thursday, May 12, 198836 years ago
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Date Issued
Tuesday, November 7, 198935 years ago
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Inventors
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Original Assignees
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Examiners
- Burke; Wallace R.
- Clark; Doris
Agents
- Barnes, Kisselle, Raisch, Choate, Whittemore & Hulbert
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US Classifications
Field of Search
US
- D25 62
- D25 63
- D25 65
- D25 66
- D25 68
- D25 69
- 052 690
- 052 694
- 052 8
- 052 9
- 182 113
- 182 152
- 182 159
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Claims
- The ornamental design for a folding stair unit, as shown.
US Referenced Citations (7)
