US3712966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interval timing mechanism with improved cam follower for cam operated timers
Assignee: HOUSEHOLD INTERNATIONAL Inc A CORP OF DELAWARE
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Filing: 1971-08-19
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Granted: 1973-01-23
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Expires: 1991-08-19
Abstract
Abstract A TIMING DEVICE INCLUDING A SWITCH FOR AUTOMATICALLY CONTROLLING THE ENERGIZING TIME OF AN APPLIANCE. THE TIMING DEVICE INCLUDES A ROTOR DISC HAVING A FACE WHICH DEFINES PREDETERMINED CAN PROFILES, AND A ROCKING LEVER WHICH COOPERATES WITH THE CAM PROFILES TO ACTUATE THE SWITCH. THE ROCKING LEVER INCLUDES TWO INTERGAL CAM FOLLOWERS, WITH ONE OF THE CAM FOLLOWERS BEING CONSTRUCTED TO RETURN AN ASSOCIATED TIMIMG INDICATOR TO ZERO AT THE TERMINATION OF THE ENERGIZING TIME.
Inventors
- 👤 N Watts
- 👤 W Josam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:29
CPC Classifications
G; G04; G04C; G04C23/00; G04C23/14; G04C23/16; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2107
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) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |