Patent US3061623A successfully refreshed from Google Patents.
US3286192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sine wave oscillator with periodic initial condition resetting means
Assignee: Systron Donner Corp
•
Filing: 1964-02-14
•
Granted: 1966-11-15
•
Expires: 1984-02-14
Abstract
No abstract record available.
Inventors
- 👤 Jerry M Collings
- 👤 Victor H Sansum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:40
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/20; H03B2200/00; H03B2200/003; H03B2200/0056; H03B2200/006; H03B2200/0078; H03B2200/0094; H03B27/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
IN A SINE WAVE OSCILLATOR, A CLOSED LOOP SECOND ORDER SYSTEM GENERATING A SINUSOID HAVING AN INITIAL CONDITION, AND MEANS CONNECTED TO SAID SECOND ORDER SYSTEM FOR REESTABLISHING SAID INITIAL CONDITION OF SAID SINUSOID AT PERIODIC INTERVALS DURING OSCILLATION AND DURING THE TIME THE VOLTAGE CURVE FOR THE SINUSOID IS AT SUBSTANTIALLY ZERO SLOPE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |