US3036947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of laminating wood timbers
Assignee: Washington State University
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Filing: 1959-09-28
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Granted: 1962-05-29
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Expires: 1979-09-28
Abstract
No abstract record available.
Inventors
- 👤 George G Marra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:06
CPC Classifications
B; B27; B27G; B27G11/00; B27M; B27M3/00; B27M3/0013; B27M3/0026; B27M3/0053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A METHOD OF LAMINATING WOODEN TIMBERS WHICH COMPRISES PLACING A PLURALITY OF WOOD BOARDS IN SIDE BY SIDE SPACED POSITION, MOVING HEATERS BETWEEN THE BOARDS AND PRE-HEATING THE ADJACENT FACES OF THE BOARDS ABOVE THE THERMOSETTING TEMPERATURE OF THE ADHESIVE TO BE USED IN BONDING THE BOARDS TOGETHER, REMOVING THE HEATERS AND PLACING SHEETS OF THERMOSETTING ADHESIVE BETWEEN THE BOARDS, PRESSING THE BOARDS AND SHEETS TOGETHER THEREBY FLUIDIZING THE ADHESIVE AND CURING THE ADHESIVE BY MEANS OF THE HEAT STORED IN THE FACES OF THE BOARDS.
Claim 2
Independent Claim
86 words
A METHOD OF LAMINATING WOODEN TIMBERS WHICH COMPRISES PLACING A PLURALITY OF WOOD BOARDS IN SIDE BY SIDE SPACED POSITION, MOVING HEATERS BETWEEN THE BOARDS AND PRE-HEATING THE ADJACENT FACES OF THE BOARDS ABOVE THE THERMOSETTING TEMPERATURE OF THE ADHESIVE TO BE USED IN BONDING THE BOARDS TOGETHER, REMOVING THE HEATERS AND PLACING SHEETS OF THERMOSETTING ADHESIVE BETWEEN THE BOARDS, PRESSING THE BOARDS AND SHEETS TOGETHER THEREBY FLUIDIZING THE ADHESIVE AND CURING THE ADHESIVE BY MEANS OF THE HEAT STORED IN THE FACES OF THE BOARDS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |