US3216674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Proportional navigation system for a spinning body in free space
Assignee: Individual
•
Filing: 1959-06-08
•
Granted: 1965-11-09
•
Expires: 1979-06-08
Abstract
No abstract record available.
Inventors
- 👤 William B Mclean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:51
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/20; F41G7/22; F41G7/222; B; B64; B64G; B64G3/00; F41G7/2213; F41G7/2253; F41G7/2273; F41G7/2293; G; G01; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/787
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A GYROSCOPIC SPINNING BODY FOR DETECTING AN ENERGY EMITTING SOURCE, SAID SPINNING BODY HAVING AN AXIS OF SPIN, MEANS RESPONSIVE TO ENERGY EMITTED FROM SAID SOURCE AND PROVIDING AN OUTPUT SIGNAL REPRESENTING THE RADIAL DIRECTION OF SAID SOURCE WITH RESPECT TO SAID AXIS OF SPIN, AND
Claim 2
Dependent Claim
46 words
A GYROSCOPIC SPINNING BODY FOR DETECTING AN ENERGY EMITTING SOURCE, SAID SPINNING BODY HAVING AN AXIS OF SPIN, MEANS RESPONSIVE TO ENERGY EMITTED FROM SAID SOURCE AND PROVIDING AN OUTPUT SIGNAL REPRESENTING THE RADIAL DIRECTION OF SAID SOURCE WITH RESPECT TO SAID AXIS OF SPIN, AND
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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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |