Patent US2878038A successfully refreshed from Google Patents.
US2878038A
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Plastic pipe bend and method for making same
Assignee: Reinhold Engineering and Plastics Co Inc
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Filing: 1955-06-27
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Granted: 1959-03-17
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Expires: 1975-06-27
Abstract
No abstract record available.
Inventors
- 👤 Robert L Noland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:38
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29D23/003; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/583; B29C53/588; B29C53/76; B29C53/80; B29C53/82; B29C53/821; B29D23/008; B29L; B29L2031/00; B29L2031/24; B29L2031/243; B29L2031/246; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/1033; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49874; Y10T29/49888
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1755899A
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US1942468A
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US2751237A
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US2718583A
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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) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |