Patent US4106056A successfully refreshed from Google Patents.
US2438155A
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US
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Process of welding metal bodies by high-frequency electric heating of dielectric material therebetween
Assignee: Individual
•
Filing: 1945-08-04
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Granted: 1948-03-23
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Expires: 1965-08-04
Abstract
No abstract record available.
Inventors
- 👤 Isaac M Diller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:03
CPC Classifications
B; B23; B23K; B23K13/00; B23K13/01; B23K13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1548204A
Cited
US1809468A
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US2205425A
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US2287540A
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US2287544A
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US2281805A
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US2317281A
Cited
US2367715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-23 | 1951-09-22 | 1952-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-23 | 1955-09-22 | 1956-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-23 | 1959-09-22 | 1960-03-23 | $7700.00 | Window Closed / Lapsed |