US2602871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel welding
Assignee: Individual
•
Filing: 1950-09-19
•
Granted: 1952-07-08
•
Expires: 1970-09-19
Abstract
No abstract record available.
Inventors
- 👤 Robert A Noland
- 👤 Chester T Szymko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:29
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/38; B23K35/383
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A PROCESS WHICH COMPRISES ARC WELDING NICKEL AND NICKEL-BASE ALLOYS USING A SHIELD GAS MIXTURE CONTAINING FROM 5-15% BY VOLUME OF HYDROGEN AND FROM 95-85% BY VOLUME OF ARGON.
Claim 2
Dependent Claim
29 words
A PROCESS WHICH COMPRISES ARC WELDING NICKEL AND NICKEL-BASE ALLOYS USING A SHIELD GAS MIXTURE CONTAINING FROM 5-15% BY VOLUME OF HYDROGEN AND FROM 95-85% BY VOLUME OF ARGON.
References Cited (Backward Citations)
US734522A
Cited
US2003167A
Cited
AU1046632A
Cited
US2053417A
Cited
US2522482A
Cited
US2497631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |