Patent US2845109A successfully refreshed from Google Patents.
US2845109A
Expired / Lapsed
US
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Machine for forming helically-wound laminated tubes
Assignee: Individual
•
Filing: 1954-12-31
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Granted: 1958-07-29
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Expires: 1974-12-31
Abstract
No abstract record available.
Inventors
- 👤 Ervin J Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:29
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/60; B29C53/607
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2002896A
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US1939581A
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US2416416A
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US2380111A
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US2603579A
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US2688906A
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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) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |