Patent US2187217A successfully refreshed from Google Patents.
US3025202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing a fibrous product
Assignee: Owens Corning
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Filing: 1957-04-24
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Granted: 1962-03-13
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Expires: 1977-04-24
Abstract
No abstract record available.
Inventors
- 👤 Willard L Morgan
- 👤 Albert R Morrison
- 👤 Richard F Shannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:47
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/16; D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; D04H1/68; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249986
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A METHOD FOR PRODUCING A STRUCTURE WHICH INCLUDES MINERAL FIBERS ASSOCIATED WITH A FOAMABLE, SETTABLE BINDER, WHICH METHOD COMPRISES TEMPORARILY SUSPENDING SEPARATE STREAMS OF A PLURALITY OF MINERAL FIBERS, A THERMOSETTING BINDER COMPOSITION AND A LIQUID FOAMABLE BINDER COMPOSITION IN A COMPRESSIBLE FLUID BY PROJECTING SEPARATE STREAMS OF THE FIBERS AND OF THE COMPOSITIONS THROUGH THE COMPRESSIBLE FLUID, COLLECTING THE FIBERS ASSOCIATED WITH THE BINDER COMPOSITIONS, AS A MASS IN WHICH INDIVIDUAL FIBERS ARE INTERMESHED TO AN EXTENT SUCH THAT THE MASS HAS BODILY INTEGRITY, AND CONVERTING THE FOAMABLE BINDER COMPOSITION, WHILE ASSOCIATED WITH THE MASS OF MINERAL FIBERS, TO A SENSIBLY DRY, SETTABLE, FOAMABLE CONDITION.
Claim 2
Independent Claim
106 words
A METHOD FOR PRODUCING A STRUCTURE WHICH INCLUDES MINERAL FIBERS ASSOCIATED WITH A FOAMABLE, SETTABLE BINDER, WHICH METHOD COMPRISES TEMPORARILY SUSPENDING SEPARATE STREAMS OF A PLURALITY OF MINERAL FIBERS, A THERMOSETTING BINDER COMPOSITION AND A LIQUID FOAMABLE BINDER COMPOSITION IN A COMPRESSIBLE FLUID BY PROJECTING SEPARATE STREAMS OF THE FIBERS AND OF THE COMPOSITIONS THROUGH THE COMPRESSIBLE FLUID, COLLECTING THE FIBERS ASSOCIATED WITH THE BINDER COMPOSITIONS, AS A MASS IN WHICH INDIVIDUAL FIBERS ARE INTERMESHED TO AN EXTENT SUCH THAT THE MASS HAS BODILY INTEGRITY, AND CONVERTING THE FOAMABLE BINDER COMPOSITION, WHILE ASSOCIATED WITH THE MASS OF MINERAL FIBERS, TO A SENSIBLY DRY, SETTABLE, FOAMABLE CONDITION.
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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) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |