US3289475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blind flight without gyros, methods and instruments
Assignee: Individual
•
Filing: 1963-08-14
•
Granted: 1966-12-06
•
Expires: 1983-08-14
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Kenyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:49
CPC Classifications
B; B64; B64D; B64D45/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN AN INSTRUMENT FOR USE IN BANK, TURN, ROLL AND HEADING CONTROL, FIRST, SECOND AND THIRD ELEMENTS OF WHICH THE FIRST IS TO BE FIXED RELATIVE TO THE AIR OR OTHER CRAFT TO BE CONTROLLED, SAID SECOND ELEMENT INCLUDING A PAIR OF SUPPORTS AND A BALANCED MAGNET UNIT BETWEEN SAID SUPPORTS AND PIVOTABLY CONNECTED THERETO AND FREE TO MOVE ONLY A RIGHT ANGLES TO THE PIVOT AXIS, SAID SECOND ELEMENT BEING CONNECTED TO THE FIRST ELEMENT WITH SAID UNIT FREE TO MOVE IN A TRANSVERSE PLANE WITH RESPECT TO THE CRAFT WHEN THE FIRST ELEMENT IS SO FIXED; SAID THIRD
Claim 2
Dependent Claim
100 words
IN AN INSTRUMENT FOR USE IN BANK, TURN, ROLL AND HEADING CONTROL, FIRST, SECOND AND THIRD ELEMENTS OF WHICH THE FIRST IS TO BE FIXED RELATIVE TO THE AIR OR OTHER CRAFT TO BE CONTROLLED, SAID SECOND ELEMENT INCLUDING A PAIR OF SUPPORTS AND A BALANCED MAGNET UNIT BETWEEN SAID SUPPORTS AND PIVOTABLY CONNECTED THERETO AND FREE TO MOVE ONLY A RIGHT ANGLES TO THE PIVOT AXIS, SAID SECOND ELEMENT BEING CONNECTED TO THE FIRST ELEMENT WITH SAID UNIT FREE TO MOVE IN A TRANSVERSE PLANE WITH RESPECT TO THE CRAFT WHEN THE FIRST ELEMENT IS SO FIXED; SAID THIRD
References Cited (Backward Citations)
US2306373A
Cited
US1306882A
Cited
DE302586C
Cited
US774693A
Cited
US1533683A
Cited
DE455437C
Cited
US2054318A
Cited
US2165894A
Cited
FR856482A
Cited
US2311637A
Cited
US2371626A
Cited
US2541213A
Cited
US2487047A
Cited
US2637273A
Cited
US3023617A
Cited
US2770890A
Cited
US2771779A
Cited
US2888752A
Cited
US3087333A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |