Patent US2457498A successfully refreshed from Google Patents.
US2457498A
Expired / Lapsed
US
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Radio-frequency parallel bonding
Assignee: Individual
•
Filing: 1945-12-11
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Granted: 1948-12-28
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Expires: 1965-12-11
Abstract
No abstract record available.
Inventors
- 👤 George F Russell
- 👤 Julius W Mann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:18
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/46; H05B6/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2089966A
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US2198073A
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US2109323A
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US2179261A
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US2286110A
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US2291807A
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US2321131A
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US2288269A
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US2317281A
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US2370624A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-28 | 1952-06-28 | 1952-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-28 | 1956-06-28 | 1956-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-28 | 1960-06-28 | 1960-12-28 | $7700.00 | Window Closed / Lapsed |