US3301278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Products made with furan resin
Assignee: American Pipe and Construction Co
•
Filing: 1963-08-05
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Granted: 1967-01-31
•
Expires: 1983-08-05
Abstract
No abstract record available.
Inventors
- 👤 Arthur G Lander
- 👤 Delbert A Hausmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:05
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/22; B05D7/222; B28; B28B; B28B21/00; B28B21/02; B28B21/10; B28B21/22; B28B21/30; B28B21/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A PIPE CONSISTING OF A FURAN RESIN-AGGREGATE WALL HAVING AN INTEGRALLY FORMED FURAN RESIN INNER LINER; SAID FURAN RESIN-AGGREGATE WALL CONSISTING OF COARSE AGGREGATE FURAN RESIN BINDER, THE WEIGHT RATIO OF SAID AGGREGATE TO SAID FURAN RESIN BINDER LYING WITHIN THE RANGE OF 12:1 TO 4:1; SAID FURAN RESIN INNER LINER HAVING A MAXIMUM THICKNESS OF ONE-EIGHTH INCH.
Claim 2
Dependent Claim
58 words
A PIPE CONSISTING OF A FURAN RESIN-AGGREGATE WALL HAVING AN INTEGRALLY FORMED FURAN RESIN INNER LINER; SAID FURAN RESIN-AGGREGATE WALL CONSISTING OF COARSE AGGREGATE FURAN RESIN BINDER, THE WEIGHT RATIO OF SAID AGGREGATE TO SAID FURAN RESIN BINDER LYING WITHIN THE RANGE OF 12:1 TO 4:1; SAID FURAN RESIN INNER LINER HAVING A MAXIMUM THICKNESS OF ONE-EIGHTH INCH.
References Cited (Backward Citations)
US1644361A
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US1789877A
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US2349213A
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US2653920A
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US2602979A
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US2745437A
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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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |