US3343793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Track structure for toy vehicles
Assignee: Individual
•
Filing: 1964-11-16
•
Granted: 1967-09-26
•
Expires: 1984-11-16
Abstract
No abstract record available.
Inventors
- 👤 Waser Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:00
CPC Classifications
A; A63; A63F; A63F7/00; A63F7/22; A63F7/36; A63F7/3622; A63H; A63H18/00; A63H18/02; A63F3/00; A63F3/00173; A63F3/00261; A63F2003/00359; A63F2003/00362; A63F2003/00378; A63F2007/3655; A63F2007/3662
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A TRACK STRUCTURE FOR TOY VEHICLES, COMPRISING A MULTIPLICITY OF SHELL SEGMENTS DISPOSED IN ENDWISE ABUTTING RELATIONSHIP WHEREBY A CONTINUOUS ROADWAY IS FORMED, EACH OF SAID SEGMENTS BEING TRANSVERSELY CURVED ALONG UPWARDLY OPEN ARCS WITH A RADIUS OF CURVATURE WHICH IS SUBSTANTIALLY CONSTANT THROUGHOUT THE SEGMENT AND IDENTICAL FOR ALL SEGMENTS, COUPLING MEANS RELEASABLY INTERCONNECTING ADJOINING SEGMENTS WITH FREEDOM OF RELATIVE ANGULAR ADJUSTMENT ABOUT A COMMON LONGITUDINAL AXIS COINCIDING WITH THE CENTERS OF SAID ARCS, AND SUPPORT MEANS MAINTAINING SAID ROADWAY IN AN INCLINED POSITION.
Claim 2
Dependent Claim
85 words
A TRACK STRUCTURE FOR TOY VEHICLES, COMPRISING A MULTIPLICITY OF SHELL SEGMENTS DISPOSED IN ENDWISE ABUTTING RELATIONSHIP WHEREBY A CONTINUOUS ROADWAY IS FORMED, EACH OF SAID SEGMENTS BEING TRANSVERSELY CURVED ALONG UPWARDLY OPEN ARCS WITH A RADIUS OF CURVATURE WHICH IS SUBSTANTIALLY CONSTANT THROUGHOUT THE SEGMENT AND IDENTICAL FOR ALL SEGMENTS, COUPLING MEANS RELEASABLY INTERCONNECTING ADJOINING SEGMENTS WITH FREEDOM OF RELATIVE ANGULAR ADJUSTMENT ABOUT A COMMON LONGITUDINAL AXIS COINCIDING WITH THE CENTERS OF SAID ARCS, AND SUPPORT MEANS MAINTAINING SAID ROADWAY IN AN INCLINED POSITION.
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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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |