US2543072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic range gate
Assignee: Unisys Corp
•
Filing: 1944-06-09
•
Granted: 1951-02-27
•
Expires: 1964-06-09
Abstract
No abstract record available.
Inventors
- 👤 Stearns Horace Myrl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:04
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/66; G01S13/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB460488A
Cited
US2270773A
Cited
US2406316A
Cited
US2283523A
Cited
US2421020A
Cited
US2422074A
Cited
US2433667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |