US2579510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Range solution apparatus
Assignee: Unisys Corp
•
Filing: 1944-11-11
•
Granted: 1951-12-25
•
Expires: 1964-11-11
Abstract
No abstract record available.
Inventors
- 👤 Edward J Nagy
- 👤 Jr Edmund B Hammond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:56
CPC Classifications
F; F41; F41G; F41G5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2385348A
Cited
US2403117A
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US2408681A
Cited
US2429467A
Cited
US2399726A
Cited
US2396701A
Cited
US2356830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |