US2527547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-contained radio guiding apparatus for mobile craft
Assignee: International Standard Electric Corp
•
Filing: 1943-05-15
•
Granted: 1950-10-31
•
Expires: 1963-05-15
Abstract
No abstract record available.
Inventors
- 👤 Hardy Rene Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:49
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB435072A
Cited
US2176469A
Cited
GB497147A
Cited
US2118917A
Cited
US2403622A
Cited
US2251997A
Cited
US2255569A
Cited
US2277464A
Cited
US2312203A
Cited
GB553618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |