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US2369338A Expired / Lapsed US ⏱️ 0.0 years remaining

Bearings for clocks, watches, and precision instruments

Assignee: George W Borg Corp
•
Filing: 1943-10-06
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Granted: 1945-02-13
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Expires: 1963-10-06
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Abstract

No abstract record available.

Inventors

  • 👤 Chester A Carlson
  • 👤 William R Butler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 18:24
CPC Classifications
G; G04; G04B; G04B31/00; G04B31/004; G04B31/012; Y; Y10; Y10S; Y10S411/00; Y10S411/914; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49705; Y10T29/49709

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) 1948-02-13 1948-08-14 1949-02-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1952-02-13 1952-08-14 1953-02-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1956-02-13 1956-08-14 1957-02-13 $7700.00 Window Closed / Lapsed

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