Patent US2730599A successfully refreshed from Google Patents.
US2730599A
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US
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Pressure welding by induction heating
Assignee: Individual
•
Filing: 1952-07-03
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Granted: 1956-01-10
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Expires: 1972-07-03
Abstract
No abstract record available.
Inventors
- 👤 Ronay Bela
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:02
CPC Classifications
B; B23; B23K; B23K13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2183078A
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US2231027A
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US2184534A
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US2151035A
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US2237551A
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US2276354A
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US2292549A
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US2344939A
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US2408229A
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US2415912A
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US2430237A
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US2459971A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |