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US1270059A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of forming pin-eyes in metal bars.

Assignee: Individual
•
Filing: 1917-06-02
•
Granted: 1918-06-18
•
Expires: 1937-06-02
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Abstract

No abstract record available.

Inventors

  • 👤 Frederic Schaefer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 16:12
CPC Classifications
B; B21; B21D; B21D53/00; F; F16; F16B; F16B2200/00; F16B2200/20; F16B2200/69; Y; Y10; Y10T; Y10T24/00; Y10T24/10; Y10T74/00; Y10T74/21; Y10T74/2142

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) 1921-06-17 1921-12-17 1922-06-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1925-06-17 1925-12-17 1926-06-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1929-06-17 1929-12-17 1930-06-18 $7700.00 Window Closed / Lapsed

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