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US3123499A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for vacuum metallizing hollow ceramic rods

Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:27
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/56; C23C14/562

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2384500A Cited
CH334330A Cited
US2989026A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-03-03 1967-09-02 1968-03-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-03-03 1971-09-02 1972-03-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-03-03 1975-09-02 1976-03-03 $7700.00 Window Closed / Lapsed

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