US3043142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for measuring supersonic and subsonic speeds
Assignee: Hrb-Singer Inc
•
Filing: 1958-09-23
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Granted: 1962-07-10
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Expires: 1978-09-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Phillip Frank Eiland
- 👤 James H Mcginley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:28
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/07; G01P1/08; G01P1/10; G01P5/00; G01P5/14; G01P5/16; G01P5/17; G01P5/175
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) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |