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US3035151A
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US
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Spark machining electrodes and method of making the same
Assignee: ThyssenKrupp Budd Co
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Filing: 1960-02-24
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Granted: 1962-05-15
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Expires: 1980-02-24
Abstract
No abstract record available.
Inventors
- 👤 Walter P Weglarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:35
CPC Classifications
B; B23; B23H; B23H1/00; B23H1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US498141A
Cited
US1067003A
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US1114665A
Cited
US1605432A
Cited
US2299184A
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US2861164A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |