US3205023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless track for vehicle
Assignee: Robin Nodwell Manufacturing Ltd
•
Filing: 1963-12-05
•
Granted: 1965-09-07
•
Expires: 1983-12-05
Abstract
No abstract record available.
Inventors
- 👤 Nodwell Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:53
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/18; B62D55/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
AN ENDLESS LADDER TYPE TRACK COMPRISING A PAIR OF ENDLESS BELTS ARRANGED IN SIDE BY SIDE SPACED RELATIONSHIP, A PLURALITY OF GROUSER BARS TRANSVERSLY ARRANGED AND LONGITUDINALLY SPACED ABOUT THE TRACT UNITING THE BELTS TOGETHER, A PLURALITY OF GROUND ENGAGING PADS ON THE GROUND ENGAGING SIDE OF EACH OF THE ENDLESS BELTS LOCATED IN LONGITUDINALLY SPACED TRANSVERSELY ALIGNED RELATIONSHIP BETWEEN THE SAID GROUSER BARS AND EXTENDING OUTWARDLY OF THE BELTS TO A DISTANCE GREATER THAN THE EXTENSION OF THE GROUSER BARS; AND A PLURALITY OF BACKING PLATES ARRANGED IN PAIRS; ONE OF EACH PAIR BEING LOCATED ON EACH BELT ON EACH PAIR ALIGNED ABOVE EACH GROUSER BARS AND MEANS FOR ATTACHING EACH GROUSER BAR TO ITS ASSOCIATED PAIR OF BACKING PLATES; WHICH BACKING PLATES ARE DIMENSIONED SO AS TO LONGITUDINALLY SPAN THAT GROUSER BAR SUFFICIENTLY TO TRANSMIT LOAD TO IMMEDIATELY ADJACENT PADS.
Claim 2
Dependent Claim
142 words
AN ENDLESS LADDER TYPE TRACK COMPRISING A PAIR OF ENDLESS BELTS ARRANGED IN SIDE BY SIDE SPACED RELATIONSHIP, A PLURALITY OF GROUSER BARS TRANSVERSLY ARRANGED AND LONGITUDINALLY SPACED ABOUT THE TRACT UNITING THE BELTS TOGETHER, A PLURALITY OF GROUND ENGAGING PADS ON THE GROUND ENGAGING SIDE OF EACH OF THE ENDLESS BELTS LOCATED IN LONGITUDINALLY SPACED TRANSVERSELY ALIGNED RELATIONSHIP BETWEEN THE SAID GROUSER BARS AND EXTENDING OUTWARDLY OF THE BELTS TO A DISTANCE GREATER THAN THE EXTENSION OF THE GROUSER BARS; AND A PLURALITY OF BACKING PLATES ARRANGED IN PAIRS; ONE OF EACH PAIR BEING LOCATED ON EACH BELT ON EACH PAIR ALIGNED ABOVE EACH GROUSER BARS AND MEANS FOR ATTACHING EACH GROUSER BAR TO ITS ASSOCIATED PAIR OF BACKING PLATES; WHICH BACKING PLATES ARE DIMENSIONED SO AS TO LONGITUDINALLY SPAN THAT GROUSER BAR SUFFICIENTLY TO TRANSMIT LOAD TO IMMEDIATELY ADJACENT PADS.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |