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US3071365A Expired / Lapsed US ⏱️ 0.0 years remaining

Fixing device of the inner end of a precision instrument spiral spring

Assignee: Tissot SA
•
Filing: 1961-06-05
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Granted: 1963-01-01
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Expires: 1981-06-05
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Abstract

No abstract record available.

Inventors

  • 👤 Henchoz Henri Louis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 23:54
CPC Classifications
G; G04; G04B; G04B17/00; G04B17/32; G04B17/34

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2397400A Cited
US2243679A Cited
US2619933A Cited
US2842935A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-12-31 1966-07-02 1967-01-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-12-31 1970-07-02 1971-01-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-12-31 1974-07-02 1975-01-01 $7700.00 Window Closed / Lapsed

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