US3223462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless track for a track laying vehicle
Assignee: Boeing Co
•
Filing: 1963-04-25
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Granted: 1965-12-14
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Expires: 1983-04-25
Abstract
No abstract record available.
Inventors
- 👤 Wayne W Dalrymple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:02
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/18; B62D55/24; B62D55/247
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
AN ENDLESS TRACK FOR A TRACK LYING VEHICLE COMPRISING, A PLURALITY OF PARALLEL ENDLESS CABLES, A PLURALITY OF TRANSVERSE GROUSERS CARRIED BY SAID CABLES, AND AT LEAST TWO DEFORMABLE TIRES CARRIED BY SAID CABLES BETWEEN ADJACENT GROUSERS AND FREELY ROTATABLE ABOUT AN AXIS PARALLEL TO THE DIRECTION OF MOTION OF THE TRACK WHEN NOT DEFORMED, AND SAID TWO DEFORMABLE TIRES FORCIBLY ENGAGING EACH OTHER WHEN DEFORMED UNDER LOAD AND MUTUALLY BRAKING EACH OTHER AGAINST ROTATION.
References Cited (Backward Citations)
US1632674A
Cited
US1965244A
Cited
FR925109A
Cited
US2670996A
Cited
US2751259A
Cited
US2695819A
Cited
US2707658A
Cited
US3063758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |