Patent US3345097A successfully refreshed from Google Patents.
US3345097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locomotive with sanding system having continuous air flow
Assignee: FLAG HILL DISTILLERY LLC
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Filing: 1965-03-19
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Granted: 1967-10-03
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Expires: 1985-03-19
Abstract
No abstract record available.
Inventors
- 👤 Harold L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:54
CPC Classifications
B; B61; B61C; B61C15/00; B61C15/08; B61C15/10; B61C15/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A RAILWAY LOCOMOTIVE INCLUDING WHEELS ADAPTED TO ROLL ALONG A TRACK, WHEEL DRIVING MEANS TO PROPEL SAID LOCOMOTIVE, AIR PLENUM CHAMBER MEANS CONNECTED TO SAID WHEEL DRIVING MEANS, BLOWER MEANS PRESSURIZING SAID CHAMBER MEANS TO CAUSE A FLOW OF COOLING AIR TO SAID DRIVING MEANS, AND A SYSTEM FOR SUPPLYING SAND TO SAID WHEELS TO INCREASE TRACTION, SAID SYSTEM COMPRISING A DELIVERY CONDUIT, MEANS CONNECTING SAID AIR PLENUM CHAMBER MEANS AND SAID DELIVERY CONDUIT TO PROVIDE A CONTINUOUS FLOW OF AIR FROM SAID CHAMBER THROUGH SAID CONDUIT TO MAINTAIN SAID CONDUIT FREE OF OBSTRUCTION, AND MEANS ACTUABLE TO CAUSE AIR FLOW FROM SAID CHAMBER TO DELIVER SAND THROUGH SAID CONDUIT, SAID CONDUIT BEING ORIENTED TO DIRECT SAND FOR DELIVERY TO THE TREAD OF AT LEAST ONE OF SAID WHEELS.
Claim 2
Dependent Claim
129 words
A RAILWAY LOCOMOTIVE INCLUDING WHEELS ADAPTED TO ROLL ALONG A TRACK, WHEEL DRIVING MEANS TO PROPEL SAID LOCOMOTIVE, AIR PLENUM CHAMBER MEANS CONNECTED TO SAID WHEEL DRIVING MEANS, BLOWER MEANS PRESSURIZING SAID CHAMBER MEANS TO CAUSE A FLOW OF COOLING AIR TO SAID DRIVING MEANS, AND A SYSTEM FOR SUPPLYING SAND TO SAID WHEELS TO INCREASE TRACTION, SAID SYSTEM COMPRISING A DELIVERY CONDUIT, MEANS CONNECTING SAID AIR PLENUM CHAMBER MEANS AND SAID DELIVERY CONDUIT TO PROVIDE A CONTINUOUS FLOW OF AIR FROM SAID CHAMBER THROUGH SAID CONDUIT TO MAINTAIN SAID CONDUIT FREE OF OBSTRUCTION, AND MEANS ACTUABLE TO CAUSE AIR FLOW FROM SAID CHAMBER TO DELIVER SAND THROUGH SAID CONDUIT, SAID CONDUIT BEING ORIENTED TO DIRECT SAND FOR DELIVERY TO THE TREAD OF AT LEAST ONE OF SAID WHEELS.
References Cited (Backward Citations)
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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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |