Patent US2961361A successfully refreshed from Google Patents.
US2961361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of reinforcing mats
Assignee: Owens Corning Canada Inc
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Filing: 1956-03-16
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Granted: 1960-11-22
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Expires: 1976-03-16
Abstract
No abstract record available.
Inventors
- 👤 William J Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:24
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/42; D04H1/4209; D04H1/4218; B; B29; B29B; B29B15/00; B29B15/08; B29B15/10; B29B15/12; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/50; D04H1/58; D04H1/587; D04H1/64; D04H1/655; B29K; B29K2025/00; B29K2067/00; B29K2067/06; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/0854
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A METHOD OF MANUFACTURING A MAT OF FILIFORM MATERAIL WHICH COMPRISES INITIMATELY MIXING SUCH MATERIAL AND A FIRST DRY SOLID BINDER, FORMING SUCH MIXTURE INTO THE FORM OF A MAT, SPRAYING AT LEAST ONE SURFACE OF SAID MAT WITH A RELATIVELY VOLATILE LIQUID SUFFICIENTLY GENTLY TO AVOID PENETRATION OF SAID LIQUID INTO THE INTERIOR OF THE MAT, SO THAT SAID RELATIVELY VOLATILE LIQUID LIES AT SAID SURFACE OF SAID MAT, THEN SPRAYING SAID SURFACE OF THE MAT WITH A SECOND DRY SOLID BINDER, THE PRESENCE OF SAID RELATIVELY VOLATILE LIQUID AT THE SURFACE OF THE MAT SERVING TO MINIMIZE PENETRATION OF SAID SECOND DRY SOLID BINDER INTO THE INTERIOR OF THE MAT, THEREBY PRODUCING A HIGHER PROPORTION OF BINDER AT SAID SURFACE THAN IN THE INTERIOR OF THE MAT, AND FINALLY EFFECTING EVAPORATION OF SAID LIQUID AND SETTING OF BOTH SAID BINDERS TO PRODUCE A MAT HAVING AT SAID SURFACE A SURFACE LAYER WHICH IS MORE STRONGLY BONDED THAN THE INTERIOR OF THE MAT.
Claim 2
Independent Claim
164 words
A METHOD OF MANUFACTURING A MAT OF FILIFORM MATERAIL WHICH COMPRISES INITIMATELY MIXING SUCH MATERIAL AND A FIRST DRY SOLID BINDER, FORMING SUCH MIXTURE INTO THE FORM OF A MAT, SPRAYING AT LEAST ONE SURFACE OF SAID MAT WITH A RELATIVELY VOLATILE LIQUID SUFFICIENTLY GENTLY TO AVOID PENETRATION OF SAID LIQUID INTO THE INTERIOR OF THE MAT, SO THAT SAID RELATIVELY VOLATILE LIQUID LIES AT SAID SURFACE OF SAID MAT, THEN SPRAYING SAID SURFACE OF THE MAT WITH A SECOND DRY SOLID BINDER, THE PRESENCE OF SAID RELATIVELY VOLATILE LIQUID AT THE SURFACE OF THE MAT SERVING TO MINIMIZE PENETRATION OF SAID SECOND DRY SOLID BINDER INTO THE INTERIOR OF THE MAT, THEREBY PRODUCING A HIGHER PROPORTION OF BINDER AT SAID SURFACE THAN IN THE INTERIOR OF THE MAT, AND FINALLY EFFECTING EVAPORATION OF SAID LIQUID AND SETTING OF BOTH SAID BINDERS TO PRODUCE A MAT HAVING AT SAID SURFACE A SURFACE LAYER WHICH IS MORE STRONGLY BONDED THAN THE INTERIOR OF THE MAT.
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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) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |