Patent US2517641A successfully refreshed from Google Patents.
US2517641A
Expired / Lapsed
US
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Oxygen jet metal-cutting nozzle
Assignee: Individual
•
Filing: 1947-02-13
•
Granted: 1950-08-08
•
Expires: 1967-02-13
Abstract
No abstract record available.
Inventors
- 👤 Dod Cedric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:05
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/46; F23D14/48; F23D14/52; F23D14/54; Y; Y10; Y10S; Y10S266/00; Y10S266/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1377001A
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US1418688A
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US1604890A
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US1919764A
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US2031583A
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US2202130A
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US2129672A
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US2175160A
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US2322300A
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US2343958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |