US3286006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making chipboard involving grinding together a fibrous filler and solid resin
Assignee: Individual
•
Filing: 1963-02-28
•
Granted: 1966-11-15
•
Expires: 1983-02-28
Abstract
No abstract record available.
Inventors
- 👤 Annand David Logan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:19
CPC Classifications
B; B27; B27N; B27N1/00; B27N3/00; B27N3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD OF MAKING A CHIPBOARD COMPRISING THE STEPS OF PREPARING AN ASSEMBLY OF WOOD CHIPS AND A RESIN BINDER, GRINDING TOGETHER PARTICLES OF A FIBROUS FILLER, HAVING A MESH NUMBER OF NOT LESS THAN 20, WITH SOLID PARTICLES OF A RESIN BINDER, WHEREBY THE SOLID PARTICLES OF RESIN BINDER ARE, AFTER GRINDING, SUBSTANTIALLY NO LARGER THAN THOSE OF THE FILLER, COATING AT LEAST ONE SURFACE OF SAID ASSEMBLY WITH THE RESULTING GROUND MIXTURE, AND CURING THE COATED ASSEMBLY UNDER PRESSURE SO AS TO FORM A CHIPBOARD HAVING AT LEAST ON SUBSTANTIALLY SMOOTH SURFACE.
Claim 2
Independent Claim
94 words
A METHOD OF MAKING A CHIPBOARD COMPRISING THE STEPS OF PREPARING AN ASSEMBLY OF WOOD CHIPS AND A RESIN BINDER, GRINDING TOGETHER PARTICLES OF A FIBROUS FILLER, HAVING A MESH NUMBER OF NOT LESS THAN 20, WITH SOLID PARTICLES OF A RESIN BINDER, WHEREBY THE SOLID PARTICLES OF RESIN BINDER ARE, AFTER GRINDING, SUBSTANTIALLY NO LARGER THAN THOSE OF THE FILLER, COATING AT LEAST ONE SURFACE OF SAID ASSEMBLY WITH THE RESULTING GROUND MIXTURE, AND CURING THE COATED ASSEMBLY UNDER PRESSURE SO AS TO FORM A CHIPBOARD HAVING AT LEAST ON SUBSTANTIALLY SMOOTH SURFACE.
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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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |