US3213602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for remote control of a clock system
Assignee: ELEKTROCAS NARODNI PODNIK
•
Filing: 1961-12-12
•
Granted: 1965-10-26
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Expires: 1981-12-12
Abstract
No abstract record available.
Inventors
- 👤 Pfeffer Vaclav
- 👤 Pfefferova Bozena
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:15
CPC Classifications
G; G04; G04C; G04C11/00; G04C11/02; G04C13/00; G04R; G04R20/00; G04R40/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A SYSTEM FOR CLOCKS INCLUDING A MASTER CLOCK AND A NUMBER OF SUBSIDIARY CLOCKS ACTUATED THEREBY COMPRISING MEANS FOR PERIODIC CORRECTION BY A TIME SIGNAL COMPOSED OF A COMBINATION OF IMPULSES TRANSMITTED BY WIRELESS, AN OSCILLATOR SERVING AS TIME BASE FOR THE DRIVE OF A MAIN SYNCHRONOUS DRIVING MOTOR OF THE MASTER CLOCK AND FOR THE DRIVE OF A DECODING ANALYZER OF THE RECEIVED TIME SIGNALS, SAID MAIN SYNCHRONOUS MOTOR PROVIDED WITH A
Claim 2
Independent Claim
73 words
A SYSTEM FOR CLOCKS INCLUDING A MASTER CLOCK AND A NUMBER OF SUBSIDIARY CLOCKS ACTUATED THEREBY COMPRISING MEANS FOR PERIODIC CORRECTION BY A TIME SIGNAL COMPOSED OF A COMBINATION OF IMPULSES TRANSMITTED BY WIRELESS, AN OSCILLATOR SERVING AS TIME BASE FOR THE DRIVE OF A MAIN SYNCHRONOUS DRIVING MOTOR OF THE MASTER CLOCK AND FOR THE DRIVE OF A DECODING ANALYZER OF THE RECEIVED TIME SIGNALS, SAID MAIN SYNCHRONOUS MOTOR PROVIDED WITH A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |