US3001902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lignocellulosic tile and method for its manufacture
Assignee: Pacific Plywood Co
•
Filing: 1958-06-23
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Granted: 1961-09-26
•
Expires: 1978-06-23
Abstract
No abstract record available.
Inventors
- 👤 William H Cooke
- 👤 Ronald G Frashour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:20
CPC Classifications
E; E04; E04F; E04F15/00; E04F15/02; E04F15/10; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1064; Y10T156/1089; Y10T156/1092; Y10T428/00; Y10T428/14; Y10T428/149; Y10T428/1495; Y10T428/16; Y10T428/163; Y10T428/24; Y10T428/24628; Y10T428/24736; Y10T428/24802; Y10T428/24851; Y10T428/2486
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
THE METHOD OF MAKING A FLEXIBLE DIMENSIONALLY STABLE LIGNOCELLULOSIC TILE WHICH COMPRISES CONSOLIDATING A MAT COMPRISING A MIXTURE OF LIGNOCELLULOSIC PARTICLES AND ADHESIVE TO A SPECIFIC GRAVITY OF FROM 0.6 TO 1.25, AND FORMING THE RESULTING CONSOLIDATED PRODUCT INTO FLAT TILE-SHAPED SHEETS HAVING IN THEIR BACK SIDES A CRISS-CROSS PATTERN OF GROOVES DEFINING A PLURALITY OF SPACED BACK SURFACES ADAPTED TO BE SECURED ADHESIVELY TO A SUPPORT, THE TILE BEING CHARACTERIZED BY BEING SUBSTANTIALLY RIGID THROUGHOUT THE AREAS OF THE SPACED BACK SURFACES AND FLEXIBLE IN THE AREAS OF THE GROOVES.
Claim 2
Independent Claim
91 words
THE METHOD OF MAKING A FLEXIBLE DIMENSIONALLY STABLE LIGNOCELLULOSIC TILE WHICH COMPRISES CONSOLIDATING A MAT COMPRISING A MIXTURE OF LIGNOCELLULOSIC PARTICLES AND ADHESIVE TO A SPECIFIC GRAVITY OF FROM 0.6 TO 1.25, AND FORMING THE RESULTING CONSOLIDATED PRODUCT INTO FLAT TILE-SHAPED SHEETS HAVING IN THEIR BACK SIDES A CRISS-CROSS PATTERN OF GROOVES DEFINING A PLURALITY OF SPACED BACK SURFACES ADAPTED TO BE SECURED ADHESIVELY TO A SUPPORT, THE TILE BEING CHARACTERIZED BY BEING SUBSTANTIALLY RIGID THROUGHOUT THE AREAS OF THE SPACED BACK SURFACES AND FLEXIBLE IN THE AREAS OF THE GROOVES.
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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) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |