US3282350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor blade mounting construction
Assignee: Boeing Co
•
Filing: 1965-10-20
•
Granted: 1966-11-01
•
Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Adrian V Kisovec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:39
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/32; B64C27/35
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A ROTOR INCLUDNG A HUB ADAPTED TO BE ROTATED, A BLADE, MEANS CONNECTING SAID BLADE TO SAID HUB FOR ROTATION WITH SAID HUB, ELASTOMER BEARING MEANS TO PERMIT MOVEMENT OF SAID BLADE IN LEAD-LAG AND FLAPPING PLANES WITH RESPECT TO SAID HUB, AND MEANS TO PERMIT SAID BLADE AND SAID ELASTOMER BEARING MEANS TO BE PIVOTED TOGETHER TO A FOLDED POSITION ABOUT AN AXIS ADJOINING SAID ELASTOMER BEARING MEANS.
Claim 2
Dependent Claim
69 words
A ROTOR INCLUDNG A HUB ADAPTED TO BE ROTATED, A BLADE, MEANS CONNECTING SAID BLADE TO SAID HUB FOR ROTATION WITH SAID HUB, ELASTOMER BEARING MEANS TO PERMIT MOVEMENT OF SAID BLADE IN LEAD-LAG AND FLAPPING PLANES WITH RESPECT TO SAID HUB, AND MEANS TO PERMIT SAID BLADE AND SAID ELASTOMER BEARING MEANS TO BE PIVOTED TOGETHER TO A FOLDED POSITION ABOUT AN AXIS ADJOINING SAID ELASTOMER BEARING MEANS.
References Cited (Backward Citations)
GB572081A
Cited
US3106965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |