US3038055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inductors for seam welding
Assignee: Park Ohio Holdings Corp
•
Filing: 1958-03-31
•
Granted: 1962-06-05
•
Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Nicholas V Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:19
CPC Classifications
B; B23; B23K; B23K13/00; B23K13/01; B23K13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2209637A
Cited
US2066668A
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US2024906A
Cited
US2460687A
Cited
US2483973A
Cited
US2582955A
Cited
US2763756A
Cited
US2964607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |