Patent US1689044A successfully refreshed from Google Patents.
Patent US3203711A successfully refreshed from Google Patents.
US3203711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating axle attachment
Assignee: Freightliner Acquisition Corp
•
Filing: 1962-02-19
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Granted: 1965-08-31
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Expires: 1982-02-19
Abstract
No abstract record available.
Inventors
- 👤 Norman B Chew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:27
CPC Classifications
B; B65; B65D; B65D53/00; B65D53/06; B62; B62D; B62D53/00; B62D53/04; B62D53/06; B62D53/068; B62D53/08; B62D53/0857; B62D61/00; B62D61/12; B62D61/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
APPARATUS FOR CARRYING A LOAD OVER TERRAIN COMPRISING A FRAME ADAPTED TO CARRY THE LOAD, FIRST AND SECOND PAIRS OF GROUND ENGAGING WHEELS SUPPORTING THE FRAME IN STABLE RELATION TO THE TERRAIN AT EACH END OF THE FRAME, A LOAD DISTRIBUTION ATTACHMENT DISPOSED BETWEEN THE PAIRS OF GROUND ENGAGING WHEELS TO DISTRIBUTE THE LOAD THEREBETWEEN, SAID ATTACHMENT COMPRISING A FRAME, AN AXLE, A PAIR OF GROUND ENGAGING WHEELS CARRIED BY SAID AXLE, RESILIENT MEANS HAVING SUBSTANTIALLY ZERO SPRING RATE INTERPOSED BETWEEN THE AXLE AND THE LAST NAMED FRAME TO SUPPORT THE LOAD IN VARYING SPACED RELATION WITH RESPECT TO THE AXLE WITH SUBSTANTIALLY CONSTANT FORCE APPLIED BY SAID RESILIENT MEANS WHEREBY LOAD DISTRIBUTION BETWEEN THE FIRST AND SECOND PARIS OF WHEELS IS MAINTAINED CONSTANT.
Claim 2
Dependent Claim
124 words
APPARATUS FOR CARRYING A LOAD OVER TERRAIN COMPRISING A FRAME ADAPTED TO CARRY THE LOAD, FIRST AND SECOND PAIRS OF GROUND ENGAGING WHEELS SUPPORTING THE FRAME IN STABLE RELATION TO THE TERRAIN AT EACH END OF THE FRAME, A LOAD DISTRIBUTION ATTACHMENT DISPOSED BETWEEN THE PAIRS OF GROUND ENGAGING WHEELS TO DISTRIBUTE THE LOAD THEREBETWEEN, SAID ATTACHMENT COMPRISING A FRAME, AN AXLE, A PAIR OF GROUND ENGAGING WHEELS CARRIED BY SAID AXLE, RESILIENT MEANS HAVING SUBSTANTIALLY ZERO SPRING RATE INTERPOSED BETWEEN THE AXLE AND THE LAST NAMED FRAME TO SUPPORT THE LOAD IN VARYING SPACED RELATION WITH RESPECT TO THE AXLE WITH SUBSTANTIALLY CONSTANT FORCE APPLIED BY SAID RESILIENT MEANS WHEREBY LOAD DISTRIBUTION BETWEEN THE FIRST AND SECOND PARIS OF WHEELS IS MAINTAINED CONSTANT.
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |