Patent US2462953A successfully refreshed from Google Patents.
US2462953A
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US
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Adjustable cone orifice
Assignee: RTX Corp
•
Filing: 1946-02-05
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Granted: 1949-03-01
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Expires: 1966-02-05
Abstract
No abstract record available.
Inventors
- 👤 Edwin D Eaton
- 👤 Francis W Catudal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:50
CPC Classifications
G; G01; G01M; G01M9/00; G01M9/02; G01M9/04
Claims Analysis
Total Claims: 0
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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) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |