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US1892445A Expired / Lapsed US ⏱️ 0.0 years remaining

Machine for producing bolts, screws, and the like

Assignee: Waterbury Farrel Foundry and Machine Co
•
Filing: 1928-06-07
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Granted: 1932-12-27
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Expires: 1948-06-07
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Abstract

No abstract record available.

Inventors

  • 👤 Louis S Burbank

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 17:13
CPC Classifications
B; B21; B21K; B21K27/00; B21K27/02; B21K27/04; B21J; B21J13/00; B21J13/08; B21J13/14; B21K1/00; B21K1/44; B21K27/06

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) 1935-12-27 1936-06-27 1936-12-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1939-12-27 1940-06-27 1940-12-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1943-12-27 1944-06-27 1944-12-27 $7700.00 Window Closed / Lapsed

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