US2833911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding organization
Assignee: Individual
•
Filing: 1953-09-08
•
Granted: 1958-05-06
•
Expires: 1973-09-08
Abstract
No abstract record available.
Inventors
- 👤 Fetz Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:26
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/30; B23K11/31; B23K11/312
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1975683A
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US2302748A
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US2283826A
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US2295925A
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US2354313A
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US2256246A
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US2286104A
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US2339354A
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US2392296A
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US2470074A
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US2474593A
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US2482023A
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US2498492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |