US2843028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miss-distance indicator
Assignee: Individual
•
Filing: 1955-03-11
•
Granted: 1958-07-15
•
Expires: 1975-03-11
Abstract
No abstract record available.
Inventors
- 👤 William C Ward
- 👤 Newton E Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:51
CPC Classifications
F; F41; F41G; F41G3/00; F41G3/26; F41G3/2605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2283788A
Cited
US2408764A
Cited
US2382981A
Cited
US2419978A
Cited
US2346079A
Cited
US2463233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |