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US1025469A Expired / Lapsed US ⏱️ 0.0 years remaining

Tubular metallized filament.

Assignee: General Electric Co
•
Filing: 1908-09-08
•
Granted: 1912-05-07
•
Expires: 1928-09-08
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Abstract

No abstract record available.

Inventors

  • 👤 Matthew A Hunter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 20:56
CPC Classifications
D; D01; D01F; D01F9/00; D01F9/08; D01F9/12; D01F9/14; D01F9/145; Y; Y10; Y10T; Y10T29/00; Y10T29/30; Y10T29/301; Y10T29/308; Y10T428/00; Y10T428/13; Y10T428/30

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1915-05-07 1915-11-06 1916-05-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1919-05-07 1919-11-06 1920-05-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1923-05-07 1923-11-06 1924-05-07 $7700.00 Window Closed / Lapsed

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