Patent US3213713A successfully refreshed from Google Patents.
US3213713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planetary gear device
Assignee: Mitsubishi Engineering and Shipbuilding Co Ltd
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Filing: 1961-05-23
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Granted: 1965-10-26
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Expires: 1981-05-23
Abstract
No abstract record available.
Inventors
- 👤 Sagara Hideo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:03
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/28; F16H1/2809; F16H2001/289; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19628
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A PLANETARY GEAR DEVICE COMPRISING, A DRIVEN SUN GEAR SHAFT, A PLURALITY OF ABUTTING SUN GEARS MOUNTED ON SAID SUN GEAR SHAFT, A PLURALITY OF ABUTTING INTERNAL GEARS DISPOSED COAXIALLY WITH SAID SUN GEARS, A PLURALITY OF PLANET GEAR DISPOSED BETWEEN SAID SUN GEARS AND SAID INTERNAL GEARS, EACH OF SAID PLANET GEAR GROUPS INCLUDING A PLURALITY OF SEPARATE ABUTTING PLANET GEARS MESHING BOTH WITH SAID SUN GEARS AND SAID INTERNAL GEARS, SAID SUN GEARS, SAID INTERNAL GEARS AND SAID PLANET GEARS IN EACH PLANET GEAR GROUP BEING EQUAL IN NUMBER, FRAME MEANS FOR ROTATABLY SUPPORTING SAID PLANET GROUPS, A CAS-
Claim 2
Dependent Claim
101 words
A PLANETARY GEAR DEVICE COMPRISING, A DRIVEN SUN GEAR SHAFT, A PLURALITY OF ABUTTING SUN GEARS MOUNTED ON SAID SUN GEAR SHAFT, A PLURALITY OF ABUTTING INTERNAL GEARS DISPOSED COAXIALLY WITH SAID SUN GEARS, A PLURALITY OF PLANET GEAR DISPOSED BETWEEN SAID SUN GEARS AND SAID INTERNAL GEARS, EACH OF SAID PLANET GEAR GROUPS INCLUDING A PLURALITY OF SEPARATE ABUTTING PLANET GEARS MESHING BOTH WITH SAID SUN GEARS AND SAID INTERNAL GEARS, SAID SUN GEARS, SAID INTERNAL GEARS AND SAID PLANET GEARS IN EACH PLANET GEAR GROUP BEING EQUAL IN NUMBER, FRAME MEANS FOR ROTATABLY SUPPORTING SAID PLANET GROUPS, A CAS-
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |