Patent US2966715A successfully refreshed from Google Patents.
US2966715A
Expired / Lapsed
US
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Apparatus for the manufacture of multi-layer tubular bodies
Assignee: Individual
•
Filing: 1957-06-12
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Granted: 1961-01-03
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Expires: 1977-06-12
Abstract
No abstract record available.
Inventors
- 👤 Vianini Luigi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:23
CPC Classifications
B; B28; B28B; B28B21/00; B28B21/42; B28B21/44; B28B21/56; B28B21/60; B28B21/62; B28B21/64; Y; Y10; Y10S; Y10S425/00; Y10S425/121
Claims Analysis
Total Claims: 0
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US2326010A
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US2701905A
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US2696353A
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US2747249A
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US2816323A
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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) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |