US3334981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for processing heatsoftenable mineral material
Assignee: Owens Corning
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Filing: 1964-03-13
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Granted: 1967-08-08
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Expires: 1984-03-13
Abstract
No abstract record available.
Inventors
- 👤 Hellmut I Glaser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:12
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/0203; C03B37/0209; C03B37/08; C03B37/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
APPARATUS FOR FEEDING STREAMS OF HEAT-SOFTENED MINERAL MATERIAL COMPRISING, IN COMBINATION, A STREAM FEEDER HAVING A FLOOR PROVIDED WITH GROUPS OF ORIFICES, A REFRACTORY BODY DISPOSED BENEATH AND ENGAGING THE FEEDER FLOOR AT A REGION BETWEEN GROUPS OF ORIFICES, AND AN ELONGATED MEMBER ENGAGING THE REFRACTORY BODY AND SUPPORTING SAID FEEDER ARRANGED TO CONDUCT HEAT FROM A REGION OF THE FEEDER FLOOR BETWEEN GROUPS OF ORIFICES.
Claim 2
Dependent Claim
66 words
APPARATUS FOR FEEDING STREAMS OF HEAT-SOFTENED MINERAL MATERIAL COMPRISING, IN COMBINATION, A STREAM FEEDER HAVING A FLOOR PROVIDED WITH GROUPS OF ORIFICES, A REFRACTORY BODY DISPOSED BENEATH AND ENGAGING THE FEEDER FLOOR AT A REGION BETWEEN GROUPS OF ORIFICES, AND AN ELONGATED MEMBER ENGAGING THE REFRACTORY BODY AND SUPPORTING SAID FEEDER ARRANGED TO CONDUCT HEAT FROM A REGION OF THE FEEDER FLOOR BETWEEN GROUPS OF ORIFICES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |