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US3517500A Expired / Lapsed US ⏱️ 0.0 years remaining

Frictional bearing arrangement for the winding weight in a self-winding watch

Assignee: ETA SA Manufacture Horlogere Suisse
•
Filing: 1969-01-14
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Granted: 1970-06-30
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Expires: 1989-01-14
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Abstract

No abstract record available.

Inventors

  • 👤 Urs Giger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 05:36
CPC Classifications
G; G04; G04B; G04B5/00; G04B5/02; G04B5/18; G04B5/19

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

FR403719A Cited
US1165594A Cited
US2620619A Cited
US2686397A Cited
US2670591A Cited
US2948573A Cited
CH378230A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-06-29 1973-12-29 1974-06-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-06-29 1977-12-29 1978-06-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-06-29 1981-12-29 1982-06-30 $7700.00 Window Closed / Lapsed

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