Patent US2461975A successfully refreshed from Google Patents.
US2461975A
Expired / Lapsed
US
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Method of making flattened thermoplastic tubing of predetermined desired characteristics
Assignee: Visking Corp
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Filing: 1945-10-20
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Granted: 1949-02-15
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Expires: 1965-10-20
Abstract
No abstract record available.
Inventors
- 👤 Edward D Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:42
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/28; B29C48/00; B29C48/03; B29C48/09; B29C48/10; B29C48/25; B29C48/88; B29C48/885; B29C48/911; B29C48/9115; B29C48/912; B29C48/001; B29C48/0018; B29C48/0019
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2027962A
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US2337927A
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US2227682A
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US2346187A
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US2422953A
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US2409521A
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US2423260A
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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) | 1952-02-15 | 1952-08-16 | 1953-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-15 | 1956-08-16 | 1957-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-15 | 1960-08-16 | 1961-02-15 | $7700.00 | Window Closed / Lapsed |