US2699677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Velocity measuring apparatus
Assignee: Ferranti International PLC
•
Filing: 1950-01-16
•
Granted: 1955-01-18
•
Expires: 1970-01-16
Abstract
No abstract record available.
Inventors
- 👤 Mccallum Donald Murdo
- 👤 Gent Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:44
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/24; G01P5/245
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1864638A
Cited
DE520484C
Cited
US1881543A
Cited
US2151203A
Cited
US2167536A
Cited
US2274262A
Cited
US2370692A
Cited
US2328546A
Cited
US2480646A
Cited
US2534712A
Cited
US2515221A
Cited
US2530631A
Cited
FR976924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |