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
Abstract
No abstract record available.
Inventors
- 👤 Hettich Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:55
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 |