US3251977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-shielded arc torch nozzle
Assignee: Union Carbide Corp
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Filing: 1964-02-18
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Granted: 1966-05-17
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Expires: 1984-02-18
Abstract
No abstract record available.
Inventors
- 👤 Harry C Mcginty
- 👤 Thaddeus J Wojciak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:40
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/24; B23K9/28; B23K9/29; B23K9/291
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN A GAS-SHIELDED ARC TORCH HAVING A BODY WITH A DEPENDING CYLINDRICAL EXTENSION AND AN ELECTRODE CONTACTOR THEREIN, A GAS-DIRECTING NOZZLE COMPRISING A TUBULAR SHELL HAVING A TOP FACING SAID BODY AND A BORE RECEIVING SAID ELECTRODE CONTACTOR IN THE UPPER PORTION THEREOF WITH THE ELECTRODE DEPENDING THEREFROM IN CENTERED RELATION AND A LOWER PORTION SURROUNDING THE ELECTRODE AND FORMING THE SHIELDING GAS CHAMBER, AND A COAXIAL LAYER OF ELASTOMERIC HEAT RESISTANT PLASTIC MATERIAL SECURED TO THE UPPER PORTION OF THE WALL OF SAID SHELL AND FRICTIONALLY ENGAGING SAID CYLINDRICAL EXTENSION OF SAID BODY TO HOLD SAID NOZZLE THEREON.
Claim 2
Dependent Claim
99 words
IN A GAS-SHIELDED ARC TORCH HAVING A BODY WITH A DEPENDING CYLINDRICAL EXTENSION AND AN ELECTRODE CONTACTOR THEREIN, A GAS-DIRECTING NOZZLE COMPRISING A TUBULAR SHELL HAVING A TOP FACING SAID BODY AND A BORE RECEIVING SAID ELECTRODE CONTACTOR IN THE UPPER PORTION THEREOF WITH THE ELECTRODE DEPENDING THEREFROM IN CENTERED RELATION AND A LOWER PORTION SURROUNDING THE ELECTRODE AND FORMING THE SHIELDING GAS CHAMBER, AND A COAXIAL LAYER OF ELASTOMERIC HEAT RESISTANT PLASTIC MATERIAL SECURED TO THE UPPER PORTION OF THE WALL OF SAID SHELL AND FRICTIONALLY ENGAGING SAID CYLINDRICAL EXTENSION OF SAID BODY TO HOLD SAID NOZZLE THEREON.
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) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |