US3291255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bus emergency steps
Assignee: Individual
•
Filing: 1964-07-20
•
Granted: 1966-12-13
•
Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 Carl S Glatfelter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:54
CPC Classifications
B; B60; B60R; B60R3/00; B60R3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A STEP DEVICE COOMPRISING A SUPPORT AND A FOLDING STEP ASSEMBLY, SAID SUPPORT INCLUDING A TRANSVERSELY EXTENDING YOKE HAVING A PIVOTAL MOUNTING INTTERMEDIATE ITS ENDS FOR PIVOTAL MOVEMENT THEREOF ABOUT A LONGITUDINALLY EXTENDING AXIS, SAID FOLDING STEP ASSEMBLY INCLUDING A PAIR OF TRANSVERSELY SPACED LOWER SIDE RAILS EACH PIVOTALLY CONNECTED AT ONE END TO A RESPECTIVE END OF SAID TRANSVERSELY EXTENDING YOKE, A PAIR OF TRANSVERSELY SPACED UPPER SIDE RAILS, A PLURALITY OF RECTANGULAR STEPS, EACH OF SAID STEPS AT ONE PAIR OF OPPOSED CORNERS HAVING A PIVOTAL CONNECTION WITH A RESPECTIVE LOWER SIDE RAIL AND AT THE OTHER PAIR OF OPPOSED CORNERS HAVING A PIVOTAL CONNECTION WITH A RESPECTIVE UPPER SIDE RAIL, SAID PIVOTAL CONNECTIONS
Claim 2
Dependent Claim
116 words
A STEP DEVICE COOMPRISING A SUPPORT AND A FOLDING STEP ASSEMBLY, SAID SUPPORT INCLUDING A TRANSVERSELY EXTENDING YOKE HAVING A PIVOTAL MOUNTING INTTERMEDIATE ITS ENDS FOR PIVOTAL MOVEMENT THEREOF ABOUT A LONGITUDINALLY EXTENDING AXIS, SAID FOLDING STEP ASSEMBLY INCLUDING A PAIR OF TRANSVERSELY SPACED LOWER SIDE RAILS EACH PIVOTALLY CONNECTED AT ONE END TO A RESPECTIVE END OF SAID TRANSVERSELY EXTENDING YOKE, A PAIR OF TRANSVERSELY SPACED UPPER SIDE RAILS, A PLURALITY OF RECTANGULAR STEPS, EACH OF SAID STEPS AT ONE PAIR OF OPPOSED CORNERS HAVING A PIVOTAL CONNECTION WITH A RESPECTIVE LOWER SIDE RAIL AND AT THE OTHER PAIR OF OPPOSED CORNERS HAVING A PIVOTAL CONNECTION WITH A RESPECTIVE UPPER SIDE RAIL, SAID PIVOTAL CONNECTIONS
References Cited (Backward Citations)
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Cited
GB189322873A
Cited
US708670A
Cited
US2647677A
Cited
US2743861A
Cited
US2863594A
Cited
US2969850A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |