US3214563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical drilling
Assignee: North American Aviation Corp
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Filing: 1963-03-28
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Granted: 1965-10-26
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Expires: 1983-03-28
Abstract
No abstract record available.
Inventors
- 👤 John P Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:09
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/013; B23K26/00; B23K26/36; B23K26/38; B23K26/382; B23K26/40; B23K2103/00; B23K2103/50
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
42 words
A METHOD FOR ACCURATELY CONTROLLING THE POSITION OF AN ELECTRICAL ARC COMPRISING: CREATING A LASER BEAM AND, CONTINUOUSLY FOCUSING SAID LASER TO A POINT ON A MATERIAL WHERE IT IS DESIRED TO STRIKE SAID ELECTRICAL ARC TO MAINTAIN AND STABILIZE SAID ARC.
References Cited (Backward Citations)
GB850428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |