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US3324645A Expired / Lapsed US ⏱️ 0.0 years remaining

Securement between oscillation-imparting coil spring and balance member of timepiece

Assignee: Individual
•
Filing: 1965-11-15
•
Granted: 1967-06-13
•
Expires: 1985-11-15
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Abstract

No abstract record available.

Inventors

  • 👤 Hettich Hugo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 21:07
CPC Classifications
G; G04; G04B; G04B17/00; G04B17/04; G04B17/06; G04B17/32; G04B17/34; G04B17/345; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49579; Y10T29/49581

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 113 words
METHOD OF SECUREMENT BETWEEN OSCILLATION-IMPARTING COIL SPRING AND BALANCE MEMBER OF TIMEPIECES, IN WHICH SAID COIL SPRING SURROUNDS AN UPWARDLY PROJECTING AXLE OF SAID BALANCE MEMBER AND SAID BALANCE MEMBER IS SUSPENDED ON SAID SPRING AND FLOATINGLY SUPPORTED BY A WIRE, THE STEPS OF SECURING THE UPPER END OF SAID SPRING TO A STATIONARY PART OF A CHASSIS OF THE TIMEPIECE; OF SECURING THE LOWER END OF SAID SPRING TO AN ANNULAR LOWER STUD SURROUNDING SAID AXLE BY AN OPENING HAVING A LARGER INNER DIAMETER THAN THE OUTER DIAMETER OF THE ADJACENT SECTION OF SAID AXLE; AND OF FILLING THE SPACE BETWEEN SAID STUD AND SAID AXLE WITH A LIQUID, SUBSEQUENTLY HARDENING BINDER.

References Cited (Backward Citations)

US2584786A Cited
CH347486A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-06-12 1970-12-12 1971-06-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-06-12 1974-12-12 1975-06-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-06-12 1978-12-12 1979-06-13 $7700.00 Window Closed / Lapsed

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