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US3291418A
Expired / Lapsed
US
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Free spinning articulated rotor
Assignee: Individual
•
Filing: 1964-05-28
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Granted: 1966-12-13
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Expires: 1984-05-28
Abstract
No abstract record available.
Inventors
- 👤 James E Brunk
- 👤 Flatau Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:59
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/32; F42B10/48; F42B10/58; B; B64; B64D; B64D1/00; B64D1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A FREE SPINNING ROTOR STRUCTURE FOR COUPLING TO A MISSILE COMPRISING: A ROTOR BLADE MEANS; BEARING MEANS MOUNTING SAID ROTOR BLADE MEANS FOR FREE SPINNING ROTATION ABOUT ITS OWN LONGITUDINAL AXIS; AND HUB MEANS COPLING SAID BEARING MEANS AND ROTOR BLADE MEANS FOR REVOLVING MOVEMENT ABOUT THE LONGITUDINAL AXIS OF SAID MISSILE.
Claim 2
Dependent Claim
52 words
A FREE SPINNING ROTOR STRUCTURE FOR COUPLING TO A MISSILE COMPRISING: A ROTOR BLADE MEANS; BEARING MEANS MOUNTING SAID ROTOR BLADE MEANS FOR FREE SPINNING ROTATION ABOUT ITS OWN LONGITUDINAL AXIS; AND HUB MEANS COPLING SAID BEARING MEANS AND ROTOR BLADE MEANS FOR REVOLVING MOVEMENT ABOUT THE LONGITUDINAL AXIS OF SAID MISSILE.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |