US2996603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding machine
Assignee: ACRO WELDER Mfg Co
•
Filing: 1959-01-02
•
Granted: 1961-08-15
•
Expires: 1979-01-02
Abstract
No abstract record available.
Inventors
- 👤 Stolz Desmond
- 👤 Charles E Letsche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:31
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/30; B23K11/31; B23K11/318
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1327792A
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US1976552A
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US2358826A
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US2494847A
Cited
US2650977A
Cited
US2776362A
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US2892068A
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US2905804A
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US2883516A
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US2862100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |