Patent US2751237A successfully refreshed from Google Patents.
US2751237A
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US
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Hollow fiber reinforced resin products such as pipe fittings with molded internal threads and method of making same
Assignee: Individual
•
Filing: 1952-11-10
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Granted: 1956-06-19
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Expires: 1972-11-10
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Conley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:37
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29D23/003; B29D23/008; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/76; B29C69/00; B29C69/001; B29C69/002; B29D1/00; B29D1/005; B29L; B29L2031/00; B29L2031/24; B29L2031/246; Y; Y10; Y10S; Y10S264/00; Y10S264/53; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1370024A
Cited
US1932809A
Cited
US2003232A
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US2025830A
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US2256386A
Cited
US2640501A
Cited
US2594693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |