US3001276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding flux and method of using
Assignee: Callery Chemical Co
•
Filing: 1955-05-12
•
Granted: 1961-09-26
•
Expires: 1975-05-12
Abstract
No abstract record available.
Inventors
- 👤 Stuart G Mcgriff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:10
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
IN A METHOD OF GAS WELDING METALS, THE STEP WHICH COMPRISES SUPPLYING TRIMETHOXYBROXINE TO ONE OF THE WELDING GASES AND BURNING THE TRIMETHOXYBOROXINE WITH THE WELDING GASES IN THE WELDING ZONE TO PRODUCE A BORIC OXIDE FLUX.
Claim 2
Dependent Claim
37 words
IN A METHOD OF GAS WELDING METALS, THE STEP WHICH COMPRISES SUPPLYING TRIMETHOXYBROXINE TO ONE OF THE WELDING GASES AND BURNING THE TRIMETHOXYBOROXINE WITH THE WELDING GASES IN THE WELDING ZONE TO PRODUCE A BORIC OXIDE FLUX.
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) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |