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Patent US2743343A successfully refreshed from Google Patents.
US2743343A
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Welding head positioner
Assignee: Airco Inc
•
Filing: 1953-07-28
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Granted: 1956-04-24
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Expires: 1973-07-28
Abstract
No abstract record available.
Inventors
- 👤 Nelson E Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:35
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/24; B23K9/28; B23K9/287; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956; Y10T74/19565; Y10T74/19575
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US854999A
Cited
US1638938A
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US1562967A
Cited
US1809653A
Cited
US2189399A
Cited
US2122933A
Cited
US2182575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |