Patent US3353487A successfully refreshed from Google Patents.
US3353487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for measuring flight distance of a missile
Assignee: Bendix Corp
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Filing: 1966-05-11
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Granted: 1967-11-21
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Expires: 1986-05-11
Abstract
No abstract record available.
Inventors
- 👤 George H Perryman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:10
CPC Classifications
G; G01; G01C; G01C3/00; F; F42; F42C; F42C11/00; F42C11/06; F42C13/00; F42C13/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
EQUIPMENT FOR COUNTING REVOLUTIONS OF A BODY ROTATING IN THE EARTH''S MAGNETIC FIELD AND TRAVELING A KNOWN DISTANCE PER REVOLUTION, COMPRISING A TRANSDUCER INCLUDING A PICK-UP COIL WOUND ON A CORE OF MAGNETICALLY PERMEABLE MATERIAL, THE TRANSDUCER BEING ARRANGED TO ROTATE IN THE EARTH''S MAGNETIC FIELD WITH THE BODY TO PROVIDE AN ELECTRICAL SIGNAL CORRESPONDING TO THE NUMBER OF REVOLUTIONS OF THE BODY, AND MEANS CONNECTED TO THE TRANSDUCER AND RESPONSIVE TO THE SIGNAL THEREFROM AND PROVIDING A SIGNAL WHEN THE BODY MAKES A PREDETERMINED NUMBER OF REVOLUTIONS CORRESPONDING TO A PREDETERMINED DISTANCE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |