Patent US3185494A successfully refreshed from Google Patents.
Patent US3353498A successfully refreshed from Google Patents.
US3353498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elevated transportation system having improved supporting structure
Assignee: Individual
•
Filing: 1965-05-14
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Granted: 1967-11-21
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Expires: 1985-05-14
Abstract
No abstract record available.
Inventors
- 👤 Leland L Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:48
CPC Classifications
B; B61; B61B; B61B3/00; B61B3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN A TRANSPPRTATION SYSTEM: AN ELONGATED VEHICULAR UNIT HAVING RUNNER MEANS EXTENDING LONGITUDINALLY THEREOF; A SERIES OF SPACED SUPPORTS FOR SAID UNIT ARRANGED ALONG A PREDETERMINED ROUTE AND DISPOSED FOR SUCCESSIVE ENGAGEMENT BY THE RUNNER MEANS AS THE UNIT TRAVELS ALONG SAID ROUTE, SAID UNIT BEING AT LEAST AS LONG AS THE DISTANCE DEFINED BY ANY THREE SUCCESSIVE SUPPORTS WHEREBY, DURING SAID TRAVEL THE UNIT IS ALTERNATELY CARRIED BY TWO SUPPORTS AND BY THREE SUPPORTS, SAID UNIT HAVING STRUCTURE RENDERING THE SAME SELF-SUSTAINING WHEN CARRIED EITHER BY TWO OR BY THREE SUPPORTS, SAID UNIT COMPRISING A TRAIN OF ARTICULATED SECTIONS,
Claim 2
Dependent Claim
100 words
IN A TRANSPPRTATION SYSTEM: AN ELONGATED VEHICULAR UNIT HAVING RUNNER MEANS EXTENDING LONGITUDINALLY THEREOF; A SERIES OF SPACED SUPPORTS FOR SAID UNIT ARRANGED ALONG A PREDETERMINED ROUTE AND DISPOSED FOR SUCCESSIVE ENGAGEMENT BY THE RUNNER MEANS AS THE UNIT TRAVELS ALONG SAID ROUTE, SAID UNIT BEING AT LEAST AS LONG AS THE DISTANCE DEFINED BY ANY THREE SUCCESSIVE SUPPORTS WHEREBY, DURING SAID TRAVEL THE UNIT IS ALTERNATELY CARRIED BY TWO SUPPORTS AND BY THREE SUPPORTS, SAID UNIT HAVING STRUCTURE RENDERING THE SAME SELF-SUSTAINING WHEN CARRIED EITHER BY TWO OR BY THREE SUPPORTS, SAID UNIT COMPRISING A TRAIN OF ARTICULATED SECTIONS,
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |