US3247599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring device
Assignee: Individual
•
Filing: 1963-06-17
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Granted: 1966-04-26
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Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas J O'connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:46
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/002; G01B3/008
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
60 words
IN COMBINATION WITH ELECTRICAL DISCHARGE MACHINING APPARATUS INCLUDING AN ELECTRICALLY CONDUCTING HEAD FOR SUPPORTING AN ELECTRODE, AN ELECTRODE SUPPORTED BY THE HEAD, MEANS FOR MOVING THE HEAD TO ADJUST THE POSITION OF THE ELECTRODE, DISTANCE MEASURING APPARATUS FOR MEASURING PREDETERMINED DISTANCES FROM A FIXED SURFACE INCLUDING AN ELECTRICALLY CONDUCTING MEASURING MEMBER FOR RECORDING THE PREDETERMINED DISTANCE FROM THE FIXED SURFACE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |