US2569974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Velocity measuring device
Assignee: RTX Corp
•
Filing: 1944-04-11
•
Granted: 1951-10-02
•
Expires: 1964-04-11
Abstract
No abstract record available.
Inventors
- 👤 Paul J Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:56
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/005; G01P5/006; G01P5/18; G01P5/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1411796A
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US1611502A
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US1616481A
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US1808709A
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US1881543A
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US2151203A
Cited
US2328546A
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US2353382A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |