US3220459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically ignited gas torch
Assignee: Individual
•
Filing: 1962-01-08
•
Granted: 1965-11-30
•
Expires: 1982-01-08
Abstract
No abstract record available.
Inventors
- 👤 Edward D Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:03
CPC Classifications
F; F23; F23Q; F23Q3/00; F23Q3/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
258 words
IN AN ELECTRICALLY IGNITED GAS TORCH FOR USING AN INFLAMMABLE GAS OR MIXTURE OF AT LEAST TWO GASES SUPPLIED SEPARATELY TO THE TORCH UNDER PRESSURE, THE COMBINATION OF: A BODY HAVING MEANS FOR CONNECTING TO THE SUPPLY OF GASES, A GAS-DIDPENSING TIP MOUNTED ON SAID BODY, SAID BODY HAVING A PLURALITY OF PASSAGEWAYS FOR CONDUCTING THE GASES FROM SAID CONNECTING MEANS TO SAID DISPENSING TIP, A PLURALITY OF VALVES ASSOCIATED WITH SAID PASSAGEWAYS FOR CONTROLLING THE FLOW OF GAS THROUGH SAID PASSAGEWAYS, A TRIGGER MOVABLY MOUNTED IN SAID BODY, TRIP MEANS ASSOCIATED WITH SAID TRIGGER FOR MOMENTARILY OPENING ONE OF SAID VALVES TO EMIT A CHARGE OF ONE OF THE GASES UPON ACTUATION OF SAID TRIGGER, ONE OF SAID VALVES OF EACH GAS SUPPLIED FOR EMITTING THE GASES TO ONE OF SAID PASSAGEWAYS LEADING TO SAID TIP FOR MIXING THE GASES BEFORE DISPENSING FROM SAID TIP, A PAIR OF OUTLETS IN SAID DISPENSING TIP, THE FIRST OF SAID OUTLETS FOR EMITTING THE MIXTURE OF GASES AND THE SECOND OUTLET FOR EMITTING TH CHARGE OF GAS RELEASED BY THE VALVE ASSOCIATED WITH SAID TRIP MEANS, ELECTRICAL MEANS FOR IGNITING THAT CHARGE OF GAS WITHIN THE PASSAGEWAY LEADING TO SAID SECOND OUTLET WHEREBY THE MIXTURE OF GASES EMITTED FROM THE FIRST SAID OUTLET IS IGNITED BY THE CHARGE OF IGNITED GAS EMITTED FROM SAID SECOND OUTLET, AND MEANS FOR OPERATING SAID ELECTRICAL MEANS IN SYNCHRONIZATION WITH THE SAID EMISSION OF A CHARGE OF GAS FOR IGNITING SAID CHARGE OF GAS PASSING THROUGH THE SAID PASSAGEWAY LEADING TO SAID SECOND OUTLET.
Claim 2
Dependent Claim
258 words
IN AN ELECTRICALLY IGNITED GAS TORCH FOR USING AN INFLAMMABLE GAS OR MIXTURE OF AT LEAST TWO GASES SUPPLIED SEPARATELY TO THE TORCH UNDER PRESSURE, THE COMBINATION OF: A BODY HAVING MEANS FOR CONNECTING TO THE SUPPLY OF GASES, A GAS-DIDPENSING TIP MOUNTED ON SAID BODY, SAID BODY HAVING A PLURALITY OF PASSAGEWAYS FOR CONDUCTING THE GASES FROM SAID CONNECTING MEANS TO SAID DISPENSING TIP, A PLURALITY OF VALVES ASSOCIATED WITH SAID PASSAGEWAYS FOR CONTROLLING THE FLOW OF GAS THROUGH SAID PASSAGEWAYS, A TRIGGER MOVABLY MOUNTED IN SAID BODY, TRIP MEANS ASSOCIATED WITH SAID TRIGGER FOR MOMENTARILY OPENING ONE OF SAID VALVES TO EMIT A CHARGE OF ONE OF THE GASES UPON ACTUATION OF SAID TRIGGER, ONE OF SAID VALVES OF EACH GAS SUPPLIED FOR EMITTING THE GASES TO ONE OF SAID PASSAGEWAYS LEADING TO SAID TIP FOR MIXING THE GASES BEFORE DISPENSING FROM SAID TIP, A PAIR OF OUTLETS IN SAID DISPENSING TIP, THE FIRST OF SAID OUTLETS FOR EMITTING THE MIXTURE OF GASES AND THE SECOND OUTLET FOR EMITTING TH CHARGE OF GAS RELEASED BY THE VALVE ASSOCIATED WITH SAID TRIP MEANS, ELECTRICAL MEANS FOR IGNITING THAT CHARGE OF GAS WITHIN THE PASSAGEWAY LEADING TO SAID SECOND OUTLET WHEREBY THE MIXTURE OF GASES EMITTED FROM THE FIRST SAID OUTLET IS IGNITED BY THE CHARGE OF IGNITED GAS EMITTED FROM SAID SECOND OUTLET, AND MEANS FOR OPERATING SAID ELECTRICAL MEANS IN SYNCHRONIZATION WITH THE SAID EMISSION OF A CHARGE OF GAS FOR IGNITING SAID CHARGE OF GAS PASSING THROUGH THE SAID PASSAGEWAY LEADING TO SAID SECOND OUTLET.
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |