US2784307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marker beacon receiver
Assignee: FLITE TRONICS Inc
•
Filing: 1952-08-25
•
Granted: 1957-03-05
•
Expires: 1972-08-25
Abstract
No abstract record available.
Inventors
- 👤 William D Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:33
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2070900A
Cited
US1959062A
Cited
US2131042A
Cited
US2171139A
Cited
US2232856A
Cited
US2397088A
Cited
US2367327A
Cited
US2446279A
Cited
US2498730A
Cited
US2675468A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |