Patent US2522329A successfully refreshed from Google Patents.
US2522329A
Expired / Lapsed
US
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Method of bonding three or more metal units
Assignee: Young Radiator Co
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Filing: 1945-05-09
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Granted: 1950-09-12
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Expires: 1965-05-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Fred H Wolff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:08
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/04; F16L; F16L41/00; F16L41/08; F16L41/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1452238A
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US2083440A
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US2266611A
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US2266610A
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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) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |