US3088836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of sawdust and similar particles, especially for use as a base layer
Assignee: Centre Technique du Bois et de lAmbeublement
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Filing: 1960-06-21
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Granted: 1963-05-07
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Expires: 1980-06-21
Abstract
No abstract record available.
Inventors
- 👤 Garti Moise
- 👤 Buchet Pierre Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:56
CPC Classifications
C; C08; C08L; C08L97/00; C08L97/02; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A METHOD OF MAKING A FLOWABLE MASS OF DISCRETE PARTICLES FOR A SUB-FLOOR LAYER, COMPRISING THE STEPS OF PREPARING A BATH OF WATER AND SOLUTION OF A BITUMINOUS SUBSTANCE IN A SOLVENT THEREFOR IMMISCIBLE WITH WATER, SAID BITUMINOUS SUBSTANCE AND SAID SOLVENT FORMING A SOLUTION CONSTITUTING BETWEEN SUBSTANTIALLY 5 AND 10% BY VOLUME OF SAID BATH; DEPOSITING DISCRETE WOOD PARTICLES IN SAID BATH AT SUBSTANTIALLY A MBIENT TEMPERATURE WHEREBY SAID WATER EXPANDS THE PORES OF SAID PARTICLES, THEREBY FACILITATING SUBSTANTIALLY COMPLETE PENETRATION OF SAID BITUMINOUS SUBSTANCE INTO SAID PARTICLES TO PRODUCE ASUBSTANTIALLY NONCORHERENT MASS OF INDIVIDUAL PARTICLES EACH IMPREGNATED WITH SAID SUBSTANCE, THE TOTAL VOLUME OF SAID DISCRETE WOOD PARTICLES BEING SUBSTANTIALLY EQUAL TO THAT OF A BATH.
Claim 2
Independent Claim
118 words
A METHOD OF MAKING A FLOWABLE MASS OF DISCRETE PARTICLES FOR A SUB-FLOOR LAYER, COMPRISING THE STEPS OF PREPARING A BATH OF WATER AND SOLUTION OF A BITUMINOUS SUBSTANCE IN A SOLVENT THEREFOR IMMISCIBLE WITH WATER, SAID BITUMINOUS SUBSTANCE AND SAID SOLVENT FORMING A SOLUTION CONSTITUTING BETWEEN SUBSTANTIALLY 5 AND 10% BY VOLUME OF SAID BATH; DEPOSITING DISCRETE WOOD PARTICLES IN SAID BATH AT SUBSTANTIALLY A MBIENT TEMPERATURE WHEREBY SAID WATER EXPANDS THE PORES OF SAID PARTICLES, THEREBY FACILITATING SUBSTANTIALLY COMPLETE PENETRATION OF SAID BITUMINOUS SUBSTANCE INTO SAID PARTICLES TO PRODUCE ASUBSTANTIALLY NONCORHERENT MASS OF INDIVIDUAL PARTICLES EACH IMPREGNATED WITH SAID SUBSTANCE, THE TOTAL VOLUME OF SAID DISCRETE WOOD PARTICLES BEING SUBSTANTIALLY EQUAL TO THAT OF A BATH.
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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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |