Patent US3279701A successfully refreshed from Google Patents.
US3279701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miniature torch
Assignee: Tescom Corp
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Filing: 1964-04-21
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Granted: 1966-10-18
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Expires: 1984-04-21
Abstract
No abstract record available.
Inventors
- 👤 Falk Tage
- 👤 Donald R Wedan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:08
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
A TORCH COMPRISING A TORCH HEAD HAVING AN OXYGEN PASSAGEWAY AND A FUEL GAS PASSAGEWAY FORMED THEREIN, EACH PASSAGEWAY HAVING AN INLET, A FLUID CONDUIT FOR EACH PASSAGEWAY IN FLUID COMMUNICATION WITH THE RESPECTIVE INLET, A TUBULAR HANDLE MEMBER CONNECTED TO SAID TORCH HEAD AND HAVING A FLUID CONDUITS PASSING THERETHROUGH, SAID TORCH HEAD HAVING A SHOULDER FOR SEATING ONE END OF SAID HANDLE MEMBER, A TORCH TIP, MEANS FOR ATTACHING THE TORCH TIP TO THE TORCH HEAD AND COOPERATING WITH SAID TORCH HEAD TO PLACE THE TIP IN FLUID COMMUNICATION WITH SAID PASSAGEWAYS, FUEL GAS CONTROL MEANS MOUNTABLE ON THE TORCH HEAD TO EXTEND INTO THE FUEL GAS PASSAGEWAY FOR SELECTIVELY BLOCKING THE FLOW THERETHROUGH AND ADJUSABLY CONTROLLING THE RATE OF FLOW THERETHROUGH, OXYGEN CONTROL MEANS MOUNTABLE ON THE TORCH HEAD TO EXTEND INTO THE OXYGEN PASSAGEWAY FOR SELECTIVELY BLOCKING THE FLOW THERETHROUGH AND ADJUSTABLY CONTROLLING THE RATE OF FLOW THERETHROUGH, AT LEAST ONE OF SAID PASSAGEWAYS HAVING A VALVE SEAT AND THE RESPECTIVE ONE OF SAID CONTROL MEANS INCLUDING AN ELONGATED VALVE STEM HAVING AN END PORTION SEATABLE AGAINST SAID SEAT, A VALVE WHEEL HAVING A HUB PORTION ATTACHED TO THE OPPOSITE END OF THE VALVE
Claim 2
Dependent Claim
198 words
A TORCH COMPRISING A TORCH HEAD HAVING AN OXYGEN PASSAGEWAY AND A FUEL GAS PASSAGEWAY FORMED THEREIN, EACH PASSAGEWAY HAVING AN INLET, A FLUID CONDUIT FOR EACH PASSAGEWAY IN FLUID COMMUNICATION WITH THE RESPECTIVE INLET, A TUBULAR HANDLE MEMBER CONNECTED TO SAID TORCH HEAD AND HAVING A FLUID CONDUITS PASSING THERETHROUGH, SAID TORCH HEAD HAVING A SHOULDER FOR SEATING ONE END OF SAID HANDLE MEMBER, A TORCH TIP, MEANS FOR ATTACHING THE TORCH TIP TO THE TORCH HEAD AND COOPERATING WITH SAID TORCH HEAD TO PLACE THE TIP IN FLUID COMMUNICATION WITH SAID PASSAGEWAYS, FUEL GAS CONTROL MEANS MOUNTABLE ON THE TORCH HEAD TO EXTEND INTO THE FUEL GAS PASSAGEWAY FOR SELECTIVELY BLOCKING THE FLOW THERETHROUGH AND ADJUSABLY CONTROLLING THE RATE OF FLOW THERETHROUGH, OXYGEN CONTROL MEANS MOUNTABLE ON THE TORCH HEAD TO EXTEND INTO THE OXYGEN PASSAGEWAY FOR SELECTIVELY BLOCKING THE FLOW THERETHROUGH AND ADJUSTABLY CONTROLLING THE RATE OF FLOW THERETHROUGH, AT LEAST ONE OF SAID PASSAGEWAYS HAVING A VALVE SEAT AND THE RESPECTIVE ONE OF SAID CONTROL MEANS INCLUDING AN ELONGATED VALVE STEM HAVING AN END PORTION SEATABLE AGAINST SAID SEAT, A VALVE WHEEL HAVING A HUB PORTION ATTACHED TO THE OPPOSITE END OF THE VALVE
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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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |