US3068351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding machine
Assignee: AMF Inc
•
Filing: 1959-03-27
•
Granted: 1962-12-11
•
Expires: 1979-03-27
Abstract
No abstract record available.
Inventors
- 👤 John G Longenecker
- 👤 Charles M Arnold
- 👤 Albert S Reiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:37
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2512705A
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US2743692A
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US2631215A
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US2724036A
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US2975266A
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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) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |