US3029426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for obtaining miss distance
Assignee: Individual
•
Filing: 1956-12-10
•
Granted: 1962-04-10
•
Expires: 1976-12-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Ralph O Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:15
CPC Classifications
F; F41; F41G; F41G3/00; F41G3/14; F41G3/142; F41J; F41J5/00; F41J5/12; G; G01; G01S; G01S11/00; G01S11/02; G01S11/10; G01S13/00; G01S13/02; G01S13/50; G01S13/505
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2491542A
Cited
US2637022A
Cited
US2634413A
Cited
US2717370A
Cited
US2801049A
Cited
US2866192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |