Patent US3230187A successfully refreshed from Google Patents.
US3276928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced mat construction and method of forming same
Assignee: Owens Corning
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Filing: 1960-07-01
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Granted: 1966-10-04
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Expires: 1980-07-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Pearson
- 👤 Paul R Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:24
CPC Classifications
D; D04; D04H; D04H5/00; D04H5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
THE METHOD OF PRODUCING A COMPOSITE FIBROUS PRODUCT INCLUDING THE STEPS OF CONTINUOUSLY ADVANCING ON A MOVABLE SUPPORT A LAYER OF MINERAL FIBERS IN WHICH THE FIBERS HAVING BEEN INTERBONDED WITH A CURED BINDER, ENGAGING BODIES OF HEAT-SOFTENED MINERAL MATERIAL WITH A HIGH VELOCITY GASEOUS BLAST TO ATTENUATE THE BODIES TO DISCRETE FIBERS, DELIVERING UNCURED BINDER ONTO THE DISCRETE FIBERS, ADVANCING THE LAYER OF INTERBONDED BIERS OVER A CONFINED REGION OF REDUCED PRESSURE, COLLECTING THEBINDER-LADEN DISCRETE FIBERS ON A MAJOR SURFACE OF THE LAYER AT THE REGION OF REDUCED PRESSURE, ACCELERATING MOVEMENT OF THE
Claim 2
Independent Claim
94 words
THE METHOD OF PRODUCING A COMPOSITE FIBROUS PRODUCT INCLUDING THE STEPS OF CONTINUOUSLY ADVANCING ON A MOVABLE SUPPORT A LAYER OF MINERAL FIBERS IN WHICH THE FIBERS HAVING BEEN INTERBONDED WITH A CURED BINDER, ENGAGING BODIES OF HEAT-SOFTENED MINERAL MATERIAL WITH A HIGH VELOCITY GASEOUS BLAST TO ATTENUATE THE BODIES TO DISCRETE FIBERS, DELIVERING UNCURED BINDER ONTO THE DISCRETE FIBERS, ADVANCING THE LAYER OF INTERBONDED BIERS OVER A CONFINED REGION OF REDUCED PRESSURE, COLLECTING THEBINDER-LADEN DISCRETE FIBERS ON A MAJOR SURFACE OF THE LAYER AT THE REGION OF REDUCED PRESSURE, ACCELERATING MOVEMENT OF THE
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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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |