Patent US3444352A successfully refreshed from Google Patents.
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 09:53
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/025
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2025785A
Cited
US2357376A
Cited
US2439740A
Cited
US2432495A
Cited
US2781441A
Cited
US2836704A
Cited
US2911517A
Cited
US2916605A
Cited
US3072779A
Cited
US3167636A
Cited
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 |