Patent US2743136A successfully refreshed from Google Patents.
US2743136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fiberizing nozzle
Assignee: Unifrax I LLC
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Filing: 1955-01-27
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Granted: 1956-04-24
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Expires: 1975-01-27
Abstract
No abstract record available.
Inventors
- 👤 Michael J Auer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:48
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/06; B; B05; B05B; B05B7/00; B05B7/02; B05B7/08; B05B7/0807; B05B7/16; B05B7/1606
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A BLAST NOZZLE COMPRISING AN OPEN-ENDED CONDUIT THROUGH WHICH THE BLAST GAS PASSES, THE BLAST END OF WHICH CONDUIT SLOPES FORWARDLY IN A DOWNWARD DIRECTION AT AN ANGLE OF 20* TO 70* WITH THE AXIS OF THE CONDUIT, AND A CORE POSITIONED WITHIN AND ADJACENT THE TOP OF SAID CONDUIT, THE OUTER FACE OF SAID CORE LYING SUBSTANTIALLY IN THE PLANE OF THE BLAST END OF SAID CONDUIT, THE CROSS-SECTIONAL AREA OF THE CORE BEING LESS THAN THE CROSS-SECTIONAL AREA OF THE INSIDE OF SAID CONDUIT THEREBY PROVIDING AN EXHAUST PORT OF GENERALLY CRESCENT CROSS-SECTION.
Claim 2
Dependent Claim
95 words
A BLAST NOZZLE COMPRISING AN OPEN-ENDED CONDUIT THROUGH WHICH THE BLAST GAS PASSES, THE BLAST END OF WHICH CONDUIT SLOPES FORWARDLY IN A DOWNWARD DIRECTION AT AN ANGLE OF 20* TO 70* WITH THE AXIS OF THE CONDUIT, AND A CORE POSITIONED WITHIN AND ADJACENT THE TOP OF SAID CONDUIT, THE OUTER FACE OF SAID CORE LYING SUBSTANTIALLY IN THE PLANE OF THE BLAST END OF SAID CONDUIT, THE CROSS-SECTIONAL AREA OF THE CORE BEING LESS THAN THE CROSS-SECTIONAL AREA OF THE INSIDE OF SAID CONDUIT THEREBY PROVIDING AN EXHAUST PORT OF GENERALLY CRESCENT CROSS-SECTION.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |