Patent US2384660A successfully refreshed from Google Patents.
Patent US1227043A successfully refreshed from Google Patents.
US3022802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reenforced hollow circular plastic objects
Assignee: Individual
•
Filing: 1954-11-08
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Granted: 1962-02-27
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Expires: 1974-11-08
Abstract
No abstract record available.
Inventors
- 👤 Harvey M Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:20
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/12; F16L11/00; F16L11/04; F16L11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A LAMINATED WALL TUBING COMPOSED OF CONCENTRIC CYLINDRICAL LAYERS OF TUBULAR BRAIDED TEXTILE MATERIALS COMPOSED OF SYNTHETIC TEXTILE FIBERS OF YARNS, SAID BRAIDED MATERIALS BEING OF VARYING ANGULAR DIRECTION IN RESPECT TO THE LONGITUDINAL AXIS AND BEING IMPREGNATED INTERIORLY
Claim 2
Dependent Claim
39 words
A LAMINATED WALL TUBING COMPOSED OF CONCENTRIC CYLINDRICAL LAYERS OF TUBULAR BRAIDED TEXTILE MATERIALS COMPOSED OF SYNTHETIC TEXTILE FIBERS OF YARNS, SAID BRAIDED MATERIALS BEING OF VARYING ANGULAR DIRECTION IN RESPECT TO THE LONGITUDINAL AXIS AND BEING IMPREGNATED INTERIORLY
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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) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |