Patent US3082615A successfully refreshed from Google Patents.
US3082615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming mineral fibers
Assignee: Owens Corning
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Filing: 1960-11-25
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Granted: 1963-03-26
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Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Toledo Fernando Alvarez De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:11
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/0203; C03B37/0209
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
APPARATUS OF THE CHARACTER DISCLOSED, IN COMBINATION WITH A FEEDER ARRANGED TO DELIVER STREAMS OF MOLTEN MINERAL MATERIAL THROUGH ORIFICES IN A FLOOR OF THE FEEDER, MEANS FOR ATTENUATING THE STREAMS TO CONTINUOUS FILAMENTS, A MAIN FRAME SUPPORTING THE FEEDER, A SUPPLEMENTAL FRAME CONNECTED WITH THE MAIN FRAME, A CONDUIT SUPPORTED BY THE SUPPLEMENT FRAME, SAID CONDUIT BEING CONTINUOUS AND FASHIONED WITH A FIRST SERIES OF SPIRALLY ARRANGED CONVOLUTIONS IN VERTICALLY STACKED SPACED RELATION AND A SECOND SERIES OF SPIRALLY ARRANGED CONVOLUTIONS IN CLOSE RELA-
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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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |