Information
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Patent Grant
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D307748
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Patent Number
D307,748
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Date Filed
Wednesday, October 7, 198737 years ago
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Date Issued
Tuesday, May 8, 199034 years ago
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Inventors
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Original Assignees
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Examiners
- Burke; Wallace R.
- Nunn; Freda S.
Agents
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US Classifications
Field of Search
US
- D14 100
- D14 102
- D14 104-107
- D14 113
- D14 115
- D18 1
- D18 7
- D18 11
- D18 12
- 235 145 A
- 235 145 R
- 340 700
- 340 706
- 340 711
- 340 712
- 341 22
- 341 23
- 341 26
- 358 249
- 358 254
- 364 130
- 364 144
- 364 189
- 364 706-710
- 400 472
- 400 477
- 400 479
- 400 485
- 400 486
- 400 496
- 400 676
- 400 677
- 400 682
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Claims
- The ornamental design for a keyboard, as shown and described.
US Referenced Citations (12)