Patent US2662573A successfully refreshed from Google Patents.
US2662573A
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Method and apparatus for forming thin-walled metal sleeves
Assignee: RCA Corp
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Filing: 1950-06-20
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Granted: 1953-12-15
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Expires: 1970-06-20
Abstract
No abstract record available.
Inventors
- 👤 Edward C Cichoski
- 👤 William C Dale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:18
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/02; H01B3/08; B; B21; B21D; B21D5/00; B21D5/06; B21D51/00; B21D51/02; B21D51/10; H01J; H01J9/00; H01J9/02; H01J9/04; H01J9/06; H01P; H01P11/00; H01P11/001; H01P11/003; H01P3/00; H01P3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |