Patent US2951933A successfully refreshed from Google Patents.
US2951933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine and method for the manufacture of studded electrodes
Assignee: Individual
•
Filing: 1957-10-03
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Granted: 1960-09-06
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Expires: 1977-10-03
Abstract
No abstract record available.
Inventors
- 👤 George B Erskine
- 👤 Stanley J Gartner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:06
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/22; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5116; Y10T29/5187; Y10T29/5191; Y10T83/00; Y10T83/202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US151215A
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US427678A
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US2734119A
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US1241253A
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US1241254A
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US1642825A
Cited
US1696455A
Cited
US2806934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |