US3477339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Track-laying vehicle which may vary in elevation while track tension remains constant
Assignee: Saab Bofors AB
•
Filing: 1968-04-24
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Granted: 1969-11-11
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Expires: 1988-04-24
Abstract
No abstract record available.
Inventors
- 👤 Lars Olof Lundin
- 👤 Hans Manne Alvar Salomonsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:59
CPC Classifications
F; F41; F41H; F41H7/00; F41H7/02; B; B62; B62D; B62D55/00; B62D55/08; B62D55/104; B62D55/116; B62D55/30; B62D55/305; F41A; F41A27/00; F41A27/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3351150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |