Patent US3564426A successfully refreshed from Google Patents.
US3564426A
Expired / Lapsed
US
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Presetter for timers
Assignee: General Time Corp
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Filing: 1969-01-22
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Granted: 1971-02-16
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Expires: 1989-01-22
Abstract
Abstract A PRESET TIMER SYSTEM INCLUDING A TIMER WHICH NORMALLY COUNTS AT A REAL TIME RATE AND PROVIDES AN ACTUATION UPON REACHING A FULL COUNT, AND AN ASSOCIATED PRESETTER WHICH SUPPLIES PULSES TO THE TIMER AT A COMPRESSED NON-REAL TIME RATE. SWITCHES ARE SELECTIVELY SET BY THE OPERATOR TO INDICATE THE DESIRED TIMER INTERVAL, AND THESE SWITCHES ARE SO CONNECTED TO ELECTRONIC DECIMAL COUNTERS THAT, WHEN THE TIMER IS PRESET, A NUMBER OF PULSES IS SUP- LIED TO THE TIMER WHICH IS THE COMPLEMENT OF THE DESIRED TIMER INTERVAL.
Inventors
- 👤 Wilmer C Anderson
- 👤 Richard Cruger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:04
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/64; H03K23/66; H03K23/665; G; G04; G04F; G04F1/00; G04F1/005
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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |