US2950979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbon structure and spray nozzle formed therefrom
Assignee: Studiengesellschaft Kohle gGmbH
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Filing: 1957-09-10
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Granted: 1960-08-30
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Expires: 1977-09-10
Abstract
No abstract record available.
Inventors
- 👤 Zosel Kurt
- 👤 Schafer Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:39
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/80; C04B41/81; C04B41/85; C04B41/88; C04B41/45; C04B41/50; C04B41/51; C04B41/5111; C23; C23C; C23C4/00; C23C4/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49432; Y10T29/49433; Y10T428/00; Y10T428/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A SPRAY NOZZLE FOR SPRAYING MOLTEN METALS FORMED OF GRAPHITE IMPREGNATED WITH A METAL HAVING A HIGHER MELTING POINT THAN ALUMINUM, THEREBY FORMING A STRUCTURALLY COHERENT IMPERVIOUS BODY
Claim 2
Dependent Claim
28 words
A SPRAY NOZZLE FOR SPRAYING MOLTEN METALS FORMED OF GRAPHITE IMPREGNATED WITH A METAL HAVING A HIGHER MELTING POINT THAN ALUMINUM, THEREBY FORMING A STRUCTURALLY COHERENT IMPERVIOUS BODY
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) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |