US3028807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guidance system
Assignee: McDonnell Aircraft Corp
•
Filing: 1959-08-24
•
Granted: 1962-04-10
•
Expires: 1979-08-24
Abstract
No abstract record available.
Inventors
- 👤 John R Burton
- 👤 Ronald J Mackin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:26
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/20; F41G7/24; F41G7/26; F42; F42B; F42B10/00; F42B10/60; F42B10/66; F42B10/661
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR879835A
Cited
US2415348A
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 |