Patent US3230899A successfully refreshed from Google Patents.
US3230899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheeled vehicles and bogies therefor
Assignee: Pneuways Development Co Pvt Ltd
•
Filing: 1964-05-22
•
Granted: 1966-01-25
•
Expires: 1984-05-22
Abstract
No abstract record available.
Inventors
- 👤 Johnson Thomas Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:35
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/38; B61F5/44; B61F5/42; B61F9/00; B61G; B61G5/00; B61G5/02; B62; B62D; B62D13/00; B62D13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
MEANS FOR MECHANICAL COUPLING BOGIES OF VEHICLES COMPRISING A PLURALITY OF BOGIES ROTATABLE ABOUT THEIR RESPECTIVE PIVOTAL AXES, HAVING PAIRS OF LOAD-CARRYING WHEELS, TWO LINKS DISPOSED SUBSTANITALLY HORIZONTALLY BETWEEN TWO ADJACENTS BOGIES TO COUPLE SAID ADJACENT BOGIES, EACH LINK BEING PIVOTALLY CONNECTED AT ITS OPPOSITE ENDS RESPECTIVELY TO TWO CORRESPONDING BUT DIAGONALLY OPPOSED ATTACHMENT POINTS ON SAID ADJACENT BOGIES, SAID ATTACHMENT POINTS BEING SO LOCATED WITH RESPECT TO THE PIVOTAL AXES OF SAID BOGIES THAT EACH LINKS IS TANGENT TO THE PIVOTAL CIRCLES DRAWN THROUGH SAID ATTACHMENT POINTS ON, AND ABOUT THE PIVOTAL AXES OF, EACH OF SAID ADJACENT BOGIES WHEN SUCH ADJACENT BOGIES ARE IN LINE WITH EACH OTHER WITH THE PLANES OF ROTATION OF THEIR LOAD CARRYING WHEELS PARALLEL TO EACH OTHER.
Claim 2
Dependent Claim
124 words
MEANS FOR MECHANICAL COUPLING BOGIES OF VEHICLES COMPRISING A PLURALITY OF BOGIES ROTATABLE ABOUT THEIR RESPECTIVE PIVOTAL AXES, HAVING PAIRS OF LOAD-CARRYING WHEELS, TWO LINKS DISPOSED SUBSTANITALLY HORIZONTALLY BETWEEN TWO ADJACENTS BOGIES TO COUPLE SAID ADJACENT BOGIES, EACH LINK BEING PIVOTALLY CONNECTED AT ITS OPPOSITE ENDS RESPECTIVELY TO TWO CORRESPONDING BUT DIAGONALLY OPPOSED ATTACHMENT POINTS ON SAID ADJACENT BOGIES, SAID ATTACHMENT POINTS BEING SO LOCATED WITH RESPECT TO THE PIVOTAL AXES OF SAID BOGIES THAT EACH LINKS IS TANGENT TO THE PIVOTAL CIRCLES DRAWN THROUGH SAID ATTACHMENT POINTS ON, AND ABOUT THE PIVOTAL AXES OF, EACH OF SAID ADJACENT BOGIES WHEN SUCH ADJACENT BOGIES ARE IN LINE WITH EACH OTHER WITH THE PLANES OF ROTATION OF THEIR LOAD CARRYING WHEELS PARALLEL TO EACH OTHER.
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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |