Patent US3548655A successfully refreshed from Google Patents.
US3548655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measurement of fluid or surface velocities
Assignee: BAC AND BRITISH AEROSPACE
•
Filing: 1968-10-02
•
Granted: 1970-12-22
•
Expires: 1988-10-02
Abstract
No abstract record available.
Inventors
- 👤 Michael J Rudd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:43
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/0007; G; G01; G01P; G01P3/00; G01P3/36; G01P3/366; G01P5/00; G01P5/26; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/58; G01S13/585; G01S13/587; G04; G04D; G04D7/00; G04D7/08; G04D7/081
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |