US3056018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding apparatus
Assignee: Weltronic Co
•
Filing: 1960-11-14
•
Granted: 1962-09-25
•
Expires: 1980-11-14
Abstract
No abstract record available.
Inventors
- 👤 Allen R Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:21
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/12; B23K9/133; B23K9/1336
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1589017A
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US2358158A
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US2550495A
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US2681401A
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US2719245A
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US2791673A
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US2873355A
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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) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |