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US447486A Expired / Lapsed US ⏱️ 0.0 years remaining

Universal joint for incandescent-lamp brackets

Assignee: —
•
Filing: —
•
Granted: 1891-03-03
•
Expires: 1908-03-03
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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 2026-10-24 01:20
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/12; F16L37/20; F23; F23J; F23J1/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1894-03-02 1894-09-01 1895-03-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1898-03-02 1898-09-01 1899-03-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1902-03-03 1902-09-02 1903-03-04 $7700.00 Window Closed / Lapsed

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