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US3512606A Expired / Lapsed US ⏱️ 0.0 years remaining

Audio speaker installations

Assignee: SAMUEL C ANASTIN
•
Filing: 1969-02-05
•
Granted: 1970-05-19
•
Expires: 1989-02-05
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Abstract

No abstract record available.

Inventors

  • 👤 Samuel C Anastin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 19:12
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/22; H04R1/26

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

FR1192636A Cited
US3170538A Cited
US3327808A Cited
US3326321A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-05-18 1973-11-17 1974-05-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-05-18 1977-11-17 1978-05-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-05-18 1981-11-17 1982-05-19 $7700.00 Window Closed / Lapsed

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