Device For Enlarging The Effective Volume Of A Loudspeaker Enclosure
Patent Application United States Patent and Trademark Office,
Patent Application No. 06225418
Examiner Thomas H Tarcza, presiding
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| Summary Parties Attributes Timeline |
| Summary |
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| Parties |
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| Attributes |
| Patent Type |
Utility |
| First Named Inventor |
Allen, James C., Andover, MA (US) |
| Filing Date |
January 15, 1981 |
| Status |
Patented Case |
| Status Date |
Unknown |
| Location |
File Repository (franconia) |
| USPTO Customer Number |
Unknown |
| Attorney Docket Number |
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| Confirmation Number |
1591 |
| Group Art Unit |
2101 |
| Class / Sub-Class |
181 / 151 |
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