US2894259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio locations systems
Assignee: Individual
•
Filing: 1952-05-31
•
Granted: 1959-07-07
•
Expires: 1972-05-31
Abstract
No abstract record available.
Inventors
- 👤 Elizabeth P Korn
- 👤 Hess Adele
- 👤 Ruskin Dan
- 👤 Reder Milton
- 👤 Fahri Carol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:06
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/295
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1865610A
Cited
US2585855A
Cited
US2617094A
Cited
US2430283A
Cited
US2433860A
Cited
US2522528A
Cited
US2528142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |