US2553907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for indicating the position of bodies
Assignee: AC Cossor Ltd
•
Filing: 1946-11-19
•
Granted: 1951-05-22
•
Expires: 1966-11-19
Abstract
No abstract record available.
Inventors
- 👤 Fleming-Williams Bria Clifford
- 👤 Allen Alarie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:23
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2268587A
Cited
US2423644A
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US2409448A
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US2416351A
Cited
US2415591A
Cited
US2422134A
Cited
US2436627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |