US3813262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resin-impregnated tissue overlays
Assignee: Weyerhaeuser Co
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Filing: 1972-06-12
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Granted: 1974-05-28
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Expires: 1992-06-12
Abstract
Abstract DISCLOSED HEREIN IS A RESIN-IMPREGNATED TISSUE USEFUL FOR OVERLAYING VARIOUS WOODY SUBSTRATES. THE TISSUE IS IMPREGNATED WITH AN AQUEOUS COMPOSITION COMPRISING AN EMULSIFIED THERMOSETTING ACRYLIC RESIN AND A SOLUBILIZED THERMOPLASTIC ACRYLIC RESIN.
Inventors
- 👤 R Shelton
- 👤 E Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:45
CPC Classifications
B; B27; B27N; B27N7/00; B27N7/005; B44; B44C; B44C5/00; B44C5/04; B44C5/0469; D; D21; D21H; D21H27/00; D21H27/18; D21H27/22; D21H27/26; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/24455
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) | 1977-05-27 | 1977-11-26 | 1978-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-27 | 1981-11-26 | 1982-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-27 | 1985-11-26 | 1986-05-28 | $7700.00 | Window Closed / Lapsed |