Patent US2320614A successfully refreshed from Google Patents.
US3553922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glued-laminae pile
Assignee: Individual
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Filing: 1968-04-22
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Granted: 1971-01-12
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Expires: 1988-04-22
Abstract
Abstract A SHEET PILE, PREFERABLY OF TWO-INCH THICK LUMBER, MADE BY GLUING FACES OF TE PLANKS AND CLAMPING THEM IN TIGHT, UNWARPED FACE-TO-FACE RELATION UNTIL THE GLU SETS. THE EDGES OF THE PLANKS, AT TIMES UNEVERN, ARE NOT GLUED TO OTHER PLANK EDGES, AND THE WIDE PORTIONS OF THE PLANKS EVEN IF PREVIOUSLY WARPED, ARE FORCED BY THE CLAMPING AND GLUING TO REMAIN IN FLATWISE, STRONGLY BONDED ARRANGEMENT. THE INVENTION ALSO INCLUDES: WAYS OF REINFORCING THE MIDDLE, TONGUE, AND GROOVE PILE PORTIONS, MEANS FOR INTERLOCKING PILES TOGETHER WHEN THEY ARE IN USE, AND A METHOD OF MAKING THE PILES IN A CLAMPING FIXTURE.
Inventors
- 👤 Robert Fred Moore
- 👤 Alvin Edward Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:52
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/02; E02D5/03; E04; E04C; E04C3/00; E04C3/30; E04C3/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |