US3832251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for manufacturing the edge and lower plate of a ski from wood
Assignee: Individual
•
Filing: 1971-12-30
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Granted: 1974-08-27
•
Expires: 1991-12-30
Abstract
Abstract A METHOD INCLUDING IMPREGNATION OF WOOD WITH A MIXTURE OF A RESORCINOL MONOMER AND DIMETHYLOL-CARBAMIDE, TAKEN IN A MOLECULAR RATIO OF 1:0.4-1.5 AND DISSOLVED IN A MIXTURE OF WATER AND ORGANIC SOLVENTS; DRYING AT A TEMPERATURE NOT EXCEEDING 60*C. AND GLUEING AT A TEMPERATURE OF 80-120* C. AND UNDER A PRESSURE OF 5-50 KG./CM.2.
Inventors
- 👤 J Tanner
- 👤 J Vabaoya
- 👤 I Vaitsenberg
- 👤 J Rokk
- 👤 T Matvere
- 👤 K Kiisler
- 👤 P Kristyanson
- 👤 A Aarna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:59
CPC Classifications
A; A63; A63C; A63C5/00; A63C5/04; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895
Claims Analysis
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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) | 1977-08-26 | 1978-02-25 | 1978-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-26 | 1982-02-25 | 1982-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-26 | 1986-02-25 | 1986-08-27 | $7700.00 | Window Closed / Lapsed |