US3444352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable welding head arrangement
Assignee: Ogden Engineering Corp
•
Filing: 1968-06-12
•
Granted: 1969-05-13
•
Expires: 1988-06-12
Abstract
No abstract record available.
Inventors
- 👤 Ralph P Ogden
- 👤 William P Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:43
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2357376A
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US2432495A
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US2781441A
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US2836704A
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US2911517A
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US2916605A
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US3072779A
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US3167636A
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US3291360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |