Patent US2505718A successfully refreshed from Google Patents.
US2505718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube forming machine with longitudinally movable core
Assignee: Clearing Machine Corp
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Filing: 1947-06-26
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Granted: 1950-04-25
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Expires: 1967-06-26
Abstract
No abstract record available.
Inventors
- 👤 Alois K Nowak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:06
CPC Classifications
B; B30; B30B; B30B1/00; B30B1/007; B21; B21D; B21D5/00; B21D5/01; B21D5/015; B21D5/02; B21D5/0209; B21D5/0263
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1953-04-24 | 1953-10-24 | 1954-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-24 | 1957-10-24 | 1958-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-24 | 1961-10-24 | 1962-04-25 | $7700.00 | Window Closed / Lapsed |