US3286656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient rapid transit truck
Assignee: General Steel Industries Inc
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Filing: 1964-01-02
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Granted: 1966-11-22
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Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Richard L Lich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:15
CPC Classifications
B; B61; B61F; B61F3/00; B61F3/02; B61F3/04; B61F5/00; B61F5/02; B61F5/22; B61F5/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A RAILWAY TRUCK COMPRISING WHEELS, AXLES, A PAIR OF TRANSVERSELY-SPACED LONGITUDINALLY EXTENDING SIDE FRAMES SUPPORTED AT THEIR ENDS ON SAID AXLES AND HAVING UPWARDLY FACING FLAT HORIZONTAL SURFACES, SUBSTANTIALLY HORIZONTAL FLAT ELASTOMERIC PAD DEVICES OF SUBSTANTIAL WIDTH TRANSVERSELY OF THE TRUCK SEATED ON SAID UPWARDLY FACING SURFACES AND SPACED APART LONGITUDINALLY OF THE TRUCK, A RIGID FRAME EXTENDING TRANSVERSELY OF THE TRUCK AND HAVING DOWNWARDLY FACING FLAT HORIZONTAL SURFACES SUPPORTED ON SAID PAD DEVICES, AND COOPERATING MEANS ON SAID RIGID FRAME AND BOTH SAID SIDE FRAMES OPPOSING RELATIVE HORIZONTAL MOVEMENTS OF SAID FRAMES, SAID PAD DEVICES OPPOSING BY THEIR RESISTANCE TO COMPRESSION TRANSVERSE TILTING OF SAID SIDE FRAMES RELATIVE TO SAID RIGID FRAME BUT PERMITTING DIFFERENTIAL LONGITUDINAL TILTING OF SAID SIDE FRAMES RELATIVE TO SAID RIGID FRAME RESPONSIVE TO DIFFERING VERTICAL IRREGULARITIES IN THE TWO TRACK RAILS.
Claim 2
Dependent Claim
137 words
A RAILWAY TRUCK COMPRISING WHEELS, AXLES, A PAIR OF TRANSVERSELY-SPACED LONGITUDINALLY EXTENDING SIDE FRAMES SUPPORTED AT THEIR ENDS ON SAID AXLES AND HAVING UPWARDLY FACING FLAT HORIZONTAL SURFACES, SUBSTANTIALLY HORIZONTAL FLAT ELASTOMERIC PAD DEVICES OF SUBSTANTIAL WIDTH TRANSVERSELY OF THE TRUCK SEATED ON SAID UPWARDLY FACING SURFACES AND SPACED APART LONGITUDINALLY OF THE TRUCK, A RIGID FRAME EXTENDING TRANSVERSELY OF THE TRUCK AND HAVING DOWNWARDLY FACING FLAT HORIZONTAL SURFACES SUPPORTED ON SAID PAD DEVICES, AND COOPERATING MEANS ON SAID RIGID FRAME AND BOTH SAID SIDE FRAMES OPPOSING RELATIVE HORIZONTAL MOVEMENTS OF SAID FRAMES, SAID PAD DEVICES OPPOSING BY THEIR RESISTANCE TO COMPRESSION TRANSVERSE TILTING OF SAID SIDE FRAMES RELATIVE TO SAID RIGID FRAME BUT PERMITTING DIFFERENTIAL LONGITUDINAL TILTING OF SAID SIDE FRAMES RELATIVE TO SAID RIGID FRAME RESPONSIVE TO DIFFERING VERTICAL IRREGULARITIES IN THE TWO TRACK RAILS.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |