Patent US3047927A successfully refreshed from Google Patents.
US2688906A
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Method and means for the manufacture of flexible tubes
Assignee: VADOTUB AG
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Filing: 1951-04-27
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Granted: 1954-09-14
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Expires: 1971-04-27
Abstract
No abstract record available.
Inventors
- 👤 Robert Johann Dokopil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:59
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/20; B31F1/205; B21; B21C; B21C37/00; B21C37/06; B21C37/12; B21C37/124; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/581; B29C53/583; B29C53/585; B29C53/586; B29C53/60; B29C53/607; B29L; B29L2023/00; B29L2023/18; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1016; Y10T156/1018; Y10T156/102; Y10T156/1052; Y10T156/1082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1370024A
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US1388467A
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US1921516A
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US2002896A
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US2033717A
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US2343096A
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US2348291A
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US2589041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |