US3324927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner control system
Assignee: Sarco Canada Ltd
•
Filing: 1965-02-04
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Granted: 1967-06-13
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Expires: 1985-02-04
Abstract
No abstract record available.
Inventors
- 👤 Bernardus J Staring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:32
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/24; F23N5/242; F23N5/02; F23N5/08; F23N5/082; F23N2227/00; F23N2227/04; F23N2227/06; F23N2227/12; F23N2227/16; F23N2229/00; F23N2229/08; F23N2231/00; F23N2231/04; F23N2231/06; F23N2231/12; F23N2233/00; F23N2233/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A SYSTEM FOR CONTROLLING RELAY MEANS COMPRISING, IN COMBINATION: A SIGNAL CONDITIONER OPERATIVE TO EMIT A RESET PULSE AND STARTING PULSE; A CLOCK PULSE GENERATOR HAVING MEMORY MEANS AND GATING MEANS RESPONSIVE TO SAID STARTING PULSE FOR EMITTING CLOCK PULSES TO PREDETERMINED FREQUENCY; CASCADED TIMING MEANS RESPONSIVE TO SAID RESET PULSE AND CLOCK PULSES FOR EMITTING CONTROL
Claim 2
Independent Claim
57 words
A SYSTEM FOR CONTROLLING RELAY MEANS COMPRISING, IN COMBINATION: A SIGNAL CONDITIONER OPERATIVE TO EMIT A RESET PULSE AND STARTING PULSE; A CLOCK PULSE GENERATOR HAVING MEMORY MEANS AND GATING MEANS RESPONSIVE TO SAID STARTING PULSE FOR EMITTING CLOCK PULSES TO PREDETERMINED FREQUENCY; CASCADED TIMING MEANS RESPONSIVE TO SAID RESET PULSE AND CLOCK PULSES FOR EMITTING CONTROL
References Cited (Backward Citations)
US2727568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |