Patent US3153348A successfully refreshed from Google Patents.
Patent US2427002A successfully refreshed from Google Patents.
US2427002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode holder
Assignee: Individual
•
Filing: 1945-03-03
•
Granted: 1947-09-09
•
Expires: 1965-03-03
Abstract
No abstract record available.
Inventors
- 👤 Jepson Percy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:55
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/24; B23K9/28; B23K9/282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1493864A
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US1839500A
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US1992990A
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US2067995A
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US2179440A
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US2300295A
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US2336712A
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US2346088A
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US2347880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-08 | 1951-03-10 | 1951-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-08 | 1955-03-10 | 1955-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-08 | 1959-03-10 | 1959-09-09 | $7700.00 | Window Closed / Lapsed |