US3276725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Navigation system utilizing ion probes
Assignee: Boeing Co
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Filing: 1962-09-12
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Granted: 1966-10-04
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Expires: 1982-09-12
Abstract
No abstract record available.
Inventors
- 👤 Willard H Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:51
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A NAVIGATION SYSTEM FOR A VEHICLE OPERATING IN LOWDENSITY, HIGHLY-IONIZED ATMOSPHERE COMPRISING A PLURALITY OF ION PROBE MEANS, EACH OF SAID ION PROBE MEANS COMPRISING A HOUSING HAVING A LONGITUDINAL AXIS, A PLURALITY OF GRID MEANS OF KNITTED CONSTRUCTION MOUNTED TRANSVERSELY WITHIN SAID HOUSING, AND ION COLLECTOR MEANS COMPRISING A PAIR OF SPLIT CYLINDERS AND A DIAPHRAGM ELECTRODE MEMBER MOUNTED WITHIN SAID HOUSING IN SPACED REALTIONSHIP TO SAID GRID MEANS AND POSITIONED TO CAUSE ATMOSPHERIC IONS TO IMPINGE ON SAID COLLECTOR MEANS AND GENERATE AN ION CURRENT, SAID SPLIT CYLINDERS BEING INSULATED FROM SAID DIAPHRAGM ELECTRODE MEMBER,
Claim 2
Dependent Claim
97 words
A NAVIGATION SYSTEM FOR A VEHICLE OPERATING IN LOWDENSITY, HIGHLY-IONIZED ATMOSPHERE COMPRISING A PLURALITY OF ION PROBE MEANS, EACH OF SAID ION PROBE MEANS COMPRISING A HOUSING HAVING A LONGITUDINAL AXIS, A PLURALITY OF GRID MEANS OF KNITTED CONSTRUCTION MOUNTED TRANSVERSELY WITHIN SAID HOUSING, AND ION COLLECTOR MEANS COMPRISING A PAIR OF SPLIT CYLINDERS AND A DIAPHRAGM ELECTRODE MEMBER MOUNTED WITHIN SAID HOUSING IN SPACED REALTIONSHIP TO SAID GRID MEANS AND POSITIONED TO CAUSE ATMOSPHERIC IONS TO IMPINGE ON SAID COLLECTOR MEANS AND GENERATE AN ION CURRENT, SAID SPLIT CYLINDERS BEING INSULATED FROM SAID DIAPHRAGM ELECTRODE MEMBER,
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |