Patent US3098228A successfully refreshed from Google Patents.
US3098228A
Expired / Lapsed
US
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Navigation system
Assignee: Bendix Corp
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Filing: 1958-09-05
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Granted: 1963-07-16
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Expires: 1978-09-05
Abstract
No abstract record available.
Inventors
- 👤 William W Medlinski
- 👤 Morey L Hodgman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:56
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/02; G05D1/0202; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
121 words
A NAVIGATION SYSTEM FROM GUIDING A CRAFT TO INTERCEPT, CAPTURE, AND TRACK A RADIO BEAM, COMPRISING RADIO MEANS FOR PROVIDING SIGNALS CORRESPONDING TO THE DISPLACEMENT OF THE CRAFT FROM THE BEAM, DIRECTION RESPONSIVE MEANS FOR PROVIDING SIGNALS CORRESPONDING TO THE HEADING OF THE CRAFT RELATIVE TO THE DIRECTION OF THE BEAM, MEANS FOR COMBINING THE SIGNALS AT ONE FIXED RATIO WHILE THE CRAFT INTERCEPTS THE BEAM, MEANS RESPONSIVE TO THE SIGNALS FOR GUIDING THE CRAFT, MEANS FOR CHANGING THE RATIO OF THE DISPLACEMENT AND HEADING SIGNALS RELATIVE TO ONE ANOTHER, AND MEANS FOR SENSING THE AMPLITUDE OF THE DISPLACEMENT SIGNALS AND OPERATING SAID RATIO CHANGING MEANS WHEN THE DISPLACEMENT SIGNAL AMPLITUDE DROPS TO A PREDETERMINED VALUE SUBSTANTIALLY GREATER THAN ZERO IRRESPECTIVE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |