US3254696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scarfing burner tip
Assignee: Colt Industries Operating Corp
•
Filing: 1963-10-22
•
Granted: 1966-06-07
•
Expires: 1983-10-22
Abstract
No abstract record available.
Inventors
- 👤 John T Grimm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:15
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/46; F23D14/48; F23D14/56
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
A PROTECTING DEVICE FOR THE TIP OF A SCARFING BURNER, WHICH COMPRISES: (A) A RING FORMED OF MILD STEEL AND OF A SIZE TO FIT OVER THE END OF THE BURNER TIP; AND (B) A PAIR OF LUGS WELDED TO THE RING AT OPPOSITE ENDS OF A RING DIAMETER, AND EXTENDING AXIALLY OF THE RING, THE LUGS BEING OF A METAL HARDER AND HAVING A HIGHER RESISTANCE TO HEAT AND WEAR THAN MILD STEEL.
References Cited (Backward Citations)
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US2277472A
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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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |