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US2730322A Expired / Lapsed US ⏱️ 0.0 years remaining

Mounting racks for electroacoustic apparatus

Assignee: Klangfilm GmbH
•
Filing: 1951-07-05
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Granted: 1956-01-10
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Expires: 1971-07-05
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Abstract

No abstract record available.

Inventors

  • 👤 Haberland Fritz
  • 👤 Johner Walter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 16:46
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/14; H05K7/16; E; E06; E06B; E06B5/00; E06B5/006

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE342429C Cited
US143153A Cited
US145805A Cited
US459834A Cited
US765494A Cited
US942965A Cited
US946337A Cited
US2572618A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-01-09 1959-07-11 1960-01-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-01-09 1963-07-11 1964-01-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-01-09 1967-07-11 1968-01-10 $7700.00 Window Closed / Lapsed

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