Patent US2237345A successfully refreshed from Google Patents.
Patent US3004585A successfully refreshed from Google Patents.
US3004585A
Expired / Lapsed
US
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Apparatus for making tape reinforced plastic pipe
Assignee: —
•
Filing: —
•
Granted: 1961-10-17
•
Expires: 1978-10-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:40
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/74; Y; Y10; Y10S; Y10S138/00; Y10S138/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2742931A
Cited
US2331696A
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US2402038A
Cited
US2674557A
Cited
US2723705A
Cited
US2714414A
Cited
US2748830A
Cited
US2748805A
Cited
US2777501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |