US3413436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc welding apparatus
Assignee: Eutectic Corp
•
Filing: 1965-01-12
•
Granted: 1968-11-26
•
Expires: 1985-01-12
Abstract
No abstract record available.
Inventors
- 👤 Clifford S Tallman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:59
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/16; B23K9/167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2310164A
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US2376265A
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US2371945A
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US2591926A
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US2788429A
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US2907865A
Cited
US3042791A
Cited
US3109916A
Cited
US3210586A
Cited
US3089944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |