US2500876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operating head for welding machines and the like
Assignee: Taylor Winfield Corp
•
Filing: 1946-06-26
•
Granted: 1950-03-14
•
Expires: 1966-06-26
Abstract
No abstract record available.
Inventors
- 👤 Melvin M Seeloff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:30
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/30; B23K11/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1315876A
Cited
US1153384A
Cited
US2016728A
Cited
FR805999A
Cited
US2067363A
Cited
DE700344C
Cited
US2329851A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |