US3474518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strip welding electrode and a method for making the same
Assignee: Individual
•
Filing: 1967-02-06
•
Granted: 1969-10-28
•
Expires: 1987-02-06
Abstract
No abstract record available.
Inventors
- 👤 Per Olof Strandell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:27
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/12; B22F3/1208; B22F3/1258; B22F3/18; B23; B23K; B23K35/00; B23K35/02; B23K35/0255; B23K35/0261; B23K35/0277; B23K35/40; B23K35/406; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49787; Y10T29/49826; Y10T29/49828; Y10T29/53; Y10T29/5313; Y10T29/532; Y10T29/53204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1406542A
Cited
US1131037A
Cited
US1629748A
Cited
US2565477A
Cited
US2493143A
Cited
US2607109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |