US3022538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for manufacturing mineral wool
Assignee: United States Gypsum Co
•
Filing: 1957-09-03
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Granted: 1962-02-27
•
Expires: 1977-09-03
Abstract
No abstract record available.
Inventors
- 👤 Carl B Setterberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:16
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/05; C03C; C03C25/00; C03C25/10; C03C25/12; C03C25/14; C03C25/146; Y; Y02; Y02P; Y02P40/00; Y02P40/50; Y02P40/57
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN APPARATUS FOR THE MANUFACTURE OF MINERAL WOOL FROM MOLTEN MINERAL MATERIAL WHEREIN A STREAM OF ATTENUATED MATERIAL IS PROJECTED FORWARDLY FROM FIBERIZING MEANS TOWARD A COLLECTING CHAMBER, AND A PORTION OF SAID STREAM PASSES THROUGH AN OPENING IN A PORTAL WALL INTO THE COLLECTING CHAMBER AND ANOTHER PORTION OF SAID STREAM IMPINGES AGAINST SAID WALL ADJACENT SAID OPENING, THE IMPROVEMENT COMPRISING A PORTAL WALL FORMED WITH PORTIONS OF SAID WALL ADJACENT SAID OPENING INCLINED FORWARDLY
Claim 2
Dependent Claim
76 words
IN APPARATUS FOR THE MANUFACTURE OF MINERAL WOOL FROM MOLTEN MINERAL MATERIAL WHEREIN A STREAM OF ATTENUATED MATERIAL IS PROJECTED FORWARDLY FROM FIBERIZING MEANS TOWARD A COLLECTING CHAMBER, AND A PORTION OF SAID STREAM PASSES THROUGH AN OPENING IN A PORTAL WALL INTO THE COLLECTING CHAMBER AND ANOTHER PORTION OF SAID STREAM IMPINGES AGAINST SAID WALL ADJACENT SAID OPENING, THE IMPROVEMENT COMPRISING A PORTAL WALL FORMED WITH PORTIONS OF SAID WALL ADJACENT SAID OPENING INCLINED FORWARDLY
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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) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |