US3081529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making electrodes
Assignee: Motors Liquidation Co
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Filing: 1959-11-12
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Granted: 1963-03-19
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Expires: 1979-11-12
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Schwyn
- 👤 Schwartzwalder Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:12
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
60 words
AN ELECTRODE FOR AN ELECTRICAL DISCHARGE DEVICE MADE BY THE STEPS OF HEATING IN A HYDROGEN ATOMSPHERE A PULVERIZED MASS OF BARIUM FERRITE CONTAINING IRON OXIDE AND BARIUM OXIDE IN A MOLAR RATIO OF ABOUT 6:1 TO THEREBY REDUCE THE IRON OXIDE IN SAID BARIUM FERRITE TO IRON, AND THEN CONPACTING AND SINTERING THE RESULTANT PRODUCT TO FORM THE ELECTRODE.
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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |