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US2569248A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making hollow axles

Assignee: Individual
•
Filing: 1946-02-11
•
Granted: 1951-09-25
•
Expires: 1966-02-11
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Abstract

No abstract record available.

Inventors

  • 👤 Miller George Lee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 10:37
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/06; B21K1/10; B21J; B21J1/00; B21J1/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49762; Y10T29/49826; Y10T29/49893

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE614241C Cited
NL36889C Cited
US275323A Cited
US367289A Cited
US369488A Cited
DE312455C Cited
US665897A Cited
US717886A Cited
US1104088A Cited
US1272581A Cited
US1831373A Cited
US1873453A Cited
US1984751A Cited
US2286211A Cited
US2286212A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-09-24 1955-03-26 1955-09-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-09-24 1959-03-26 1959-09-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-09-24 1963-03-26 1963-09-25 $7700.00 Window Closed / Lapsed

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