Patent US2540805A successfully refreshed from Google Patents.
US2540805A
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Electrolytic apparatus for making radiator cores
Assignee: JOHN C SCHWARTZ
•
Filing: 1946-04-30
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Granted: 1951-02-06
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Expires: 1966-04-30
Abstract
No abstract record available.
Inventors
- 👤 John D Beebe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:55
CPC Classifications
C; C25; C25D; C25D1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US895164A
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US1188228A
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US1280249A
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US1416929A
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US1519572A
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US1517630A
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US1765320A
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US1853700A
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US1792998A
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US2260893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |