US3048513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced fibrous batt
Assignee: Johns Manville Corp
•
Filing: 1954-08-25
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Granted: 1962-08-07
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Expires: 1974-08-25
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:10
CPC Classifications
B; B61; B61D; B61D17/00; B61D17/04; B61D17/18; B61D17/10; B62; B62D; B62D25/00; B62D25/20; B62D25/2054; E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/16; E04C2/18; F; F16; F16L; F16L59/00; F16L59/02; F16L59/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
A METHOD OF FORMING A THERMAL INSULATING BATT COMPRISING FORMING A FELT OF FIBROUS MATERIAL WITH THE MAJOR ITY OF THE FIBERS OF THE FELT LYING GENERALLY PARALLEL TO A FACE THEREOF, SAID FIBROUS INSULATING MATERIAL WHEN NOT REINFORCED BEING NORMALLY COMPACTIBLE IN DIRECTIONS PERPENDICULAR TO THE FACE THEREOF BY FLOODING WITH WATER, CUTTING SAID FELT IN PLANES SUBSTANTIALLY AT RIGHT ANGLES TO SAID FACE TO FORM ELONGATED STRIPS HAVING LATERAL EDGES, COATING AT LEAST ONE LATERAL EDGE OF EACH OF SAID STRIPS WITH AN ADHESIVE MATERIAL, AND JOINING THE CUT LATERAL EDGES OF SAID STRIPS TO FORM A THERMAL INSULATING BATT HAVING SAID CUT LATERAL EDGED JOINED BY RELATIVELY RIGID SHEETLIKE RIBS OF ADHESIVE TO REINFORCE SAID FIBROUS MATERIAL AGAINST COMPACTING.
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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) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |