US3096939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible traction device
Assignee: Individual
•
Filing: 1959-12-29
•
Granted: 1963-07-09
•
Expires: 1979-12-29
Abstract
No abstract record available.
Inventors
- 👤 Kalfen Zoltan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:16
CPC Classifications
B; B60; B60B; B60B39/00; B60B39/02; B60B39/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A REVERSIBLE TRACTION DEVICE FOR MOTOR VEHICLES AND THE LIKE, COMPRISING, A PAIR OF ELONGATED SHEETS, EACH OF SAID SHEETS BEING FORMED WITH A PLURALITY OF ELONGATE OPENINGS AND ELONGATE PROJECTIONS INTEGRAL WITH THE SHEET AND UPSTANDING THEREFROM ALONG THE DIMENSIONS OF SAID OPENINGS, SAID PROJECTIONS BEING BLADELIKE, PARALLEL TO EACH OTHER, PERPENDICULAR TO THE SURFACE OF THE SHEET, AND NORMAL TO THE LONG DIMENSION OF THE SHEET; SAID SHEETS BEING SUPERIMPOSED UPON EACH OTHER AND PERMANENTLY SECURED TOGETHER WITH THE PROJECTIONS FACING OUTWARDLY AND WITH THE RESPECTIVE OPENINGS IN EACH SHEET OUT OF REGISTER WITH EACH OTHER A FORM A SINGLE IMPERFORATE PLATE HAVING PROJECTIONS ON EACH SIDE THEREOF.
Claim 2
Dependent Claim
110 words
A REVERSIBLE TRACTION DEVICE FOR MOTOR VEHICLES AND THE LIKE, COMPRISING, A PAIR OF ELONGATED SHEETS, EACH OF SAID SHEETS BEING FORMED WITH A PLURALITY OF ELONGATE OPENINGS AND ELONGATE PROJECTIONS INTEGRAL WITH THE SHEET AND UPSTANDING THEREFROM ALONG THE DIMENSIONS OF SAID OPENINGS, SAID PROJECTIONS BEING BLADELIKE, PARALLEL TO EACH OTHER, PERPENDICULAR TO THE SURFACE OF THE SHEET, AND NORMAL TO THE LONG DIMENSION OF THE SHEET; SAID SHEETS BEING SUPERIMPOSED UPON EACH OTHER AND PERMANENTLY SECURED TOGETHER WITH THE PROJECTIONS FACING OUTWARDLY AND WITH THE RESPECTIVE OPENINGS IN EACH SHEET OUT OF REGISTER WITH EACH OTHER A FORM A SINGLE IMPERFORATE PLATE HAVING PROJECTIONS ON EACH SIDE THEREOF.
References Cited (Backward Citations)
US1500249A
Cited
US1594623A
Cited
US1815435A
Cited
US1863316A
Cited
US2190195A
Cited
US2428680A
Cited
US2486911A
Cited
US2553216A
Cited
US2479760A
Cited
US2975977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |