US2908803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric resistance welder
Assignee: FED MACHINE AND WELDER Co
•
Filing: 1957-04-22
•
Granted: 1959-10-13
•
Expires: 1977-04-22
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Williams
- 👤 James F Deffenbaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:08
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/36; B23K11/362; B23K11/366
Claims Analysis
Total Claims: 0
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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) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |