Patent US3030659A successfully refreshed from Google Patents.
US3030659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing fibers
Assignee: Owens Corning
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Filing: 1958-12-29
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Granted: 1962-04-24
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Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Slayter Games
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:16
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/048
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
APPARATUS FOR PROCESSING HEAT-SOFTENABLE MINERAL MATERIAL INCLUDING, IN COMBINATION, A HOUSING, A HOLLOW ROTOR DISPOSED IN THE HOUSING, MEANS FOR ROTATING THE ROTOR, SAID ROTOR PROVIDED WITH A SPINNER SECTION HAVING A PERFORATED WALL PORTION, MEANS WITHIN THE ROTOR ARRANGED TO GUIDE HEAT-SOFTENED MINERAL MATERIAL FROM A SUPPLY INTO CONTACT WITH THE PERFORATED WALL PORTION, A COMBUSTION BURNER DISPOSED WITHIN THE SPINNER SECTION HAVING A COMBUSTION ZONE DEFINED BY A WALLED CHAMBER SPACED FROM THE ROTOR, MEANS FOR FEEDING COMBUSTIBLE, MIXTURE INTO THE COMBUSTION ZONE ADAPTED TO BE BURNED THEREIN, AND ORIFICE MEANS THROUGH WHICH THE HOT GASES OF COMBUSTION FROM THE COMBUSTION ZONE ARE PROJECTED OUTWARDLY TOWARD THE MATERIAL AT THE PERFORATED PERIPHERAL WALL PORTION OF THE SPINNER SECTION.
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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) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |