US3611702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric alarm timepiece
Assignee: Individual
•
Filing: 1969-05-08
•
Granted: 1971-10-12
•
Expires: 1989-05-08
Abstract
Abstract THE ALARM-HAND PIPE CARRIES A SWITCH CONTACT EMBEDDED IN A SYNTHETIC CONTACT WHEEL TO EXPOSE ONE SURFACE, THE OTHER CONTACT OF WHICH BEING CARRIED BY THE HOUR WHEEL TO SLIDE OVER THE CONTACT WHEEL AND TO MAKE CONTACT WITH THE FIRST CONTACT WHEN AT THE POSITION OF THE LATTER. THE DIAL SUPPORTS THE CONTACT WHEEL AGAINST AXIAL MOVEMENT, AND THE ONLY FRICTION BETWEEN THE HOUR AND CONTACT WHEELS IS THAT OF THE ONE CONTACT SLIDING OVER THE CONTACT WHEEL. D R A W I N G
Inventors
- 👤 Paolo Spadini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:10
CPC Classifications
G; G04; G04C; G04C21/00; G04C21/16; G04C21/20
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) | 1974-10-11 | 1975-04-12 | 1975-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-11 | 1979-04-12 | 1979-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-11 | 1983-04-12 | 1983-10-12 | $7700.00 | Window Closed / Lapsed |