Patent US3104621A successfully refreshed from Google Patents.
US3104621A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerator car trolley rail
Assignee: JBS USA LLC
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Filing: 1962-04-05
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Granted: 1963-09-24
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Expires: 1982-04-05
Abstract
No abstract record available.
Inventors
- 👤 Withers Burleigh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:08
CPC Classifications
B; B61; B61D; B61D27/00; B61D27/0018; B61D27/0027; E; E01; E01B; E01B25/00; E01B25/22; E01B25/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
AN IMPROVED OVERHEAD RAIL SYSTEM FOR RAILWAY CARS OR THE LIKE HAVING CENTRALLY DISPOSED ACCESS DOORS, SAID RAIL SYSTEM COMPRISING: A PLURALITY OF FIRST STORAGE RAILS DISPOSED SUBSTANTIALLY LONGITUDINALLY OF THE RAILWAY CAR AND EXTENDING FROM ABOUT THE CENTER OF THE CAR TO ONE END THEREOF, EACH OF SAID FIRST STORAGE RAILS BEING CURVED AT ABOUT THE CENTER OF THE CAR TOWARD ONE ACCESS DOOR AND TERMINATING IN A STRAIGHT PORTION PERPENDICULAR TO SAID STORAGE RAIL AND EXTENDING TO NEAR THE NEXT OF SAID FIRST RAILS TOWARD SAID DOOR; A PLURALITY OF SECOND STORAGE RAILS DISPOSED SUBSTANTIALLY LONGITUDINALLY OF SAID CAR OPPOSITE SAID FIRST RAILS, SAID SECOND RAILS EXTENDING FROM THE OPPOSITE END OF THE CAR BEING SLIGHTLY CURVED AT ABOUT THE CENTER OF THE CAR TOWARD SAID DOOR; AND A PLURALITY OF THREE-WAY SWITCHES CONNECTED TO THE FIRST RAILS AT THE CURVE THEREIN, EACH OF SAID SWITCHES BEING ADAPTED TO BE SELECTIVELY ADJUSTABLE TO DIRECT ITEMS ENTERING THE CAR FROM SAID DOOR TO ONE OF SAID FIRST AND SECOND RAILS AND THE STRAIGHT PORTION OF THE NEXT OF SAID FIRST RAIL FROM SAID DOOR.
Claim 2
Dependent Claim
185 words
AN IMPROVED OVERHEAD RAIL SYSTEM FOR RAILWAY CARS OR THE LIKE HAVING CENTRALLY DISPOSED ACCESS DOORS, SAID RAIL SYSTEM COMPRISING: A PLURALITY OF FIRST STORAGE RAILS DISPOSED SUBSTANTIALLY LONGITUDINALLY OF THE RAILWAY CAR AND EXTENDING FROM ABOUT THE CENTER OF THE CAR TO ONE END THEREOF, EACH OF SAID FIRST STORAGE RAILS BEING CURVED AT ABOUT THE CENTER OF THE CAR TOWARD ONE ACCESS DOOR AND TERMINATING IN A STRAIGHT PORTION PERPENDICULAR TO SAID STORAGE RAIL AND EXTENDING TO NEAR THE NEXT OF SAID FIRST RAILS TOWARD SAID DOOR; A PLURALITY OF SECOND STORAGE RAILS DISPOSED SUBSTANTIALLY LONGITUDINALLY OF SAID CAR OPPOSITE SAID FIRST RAILS, SAID SECOND RAILS EXTENDING FROM THE OPPOSITE END OF THE CAR BEING SLIGHTLY CURVED AT ABOUT THE CENTER OF THE CAR TOWARD SAID DOOR; AND A PLURALITY OF THREE-WAY SWITCHES CONNECTED TO THE FIRST RAILS AT THE CURVE THEREIN, EACH OF SAID SWITCHES BEING ADAPTED TO BE SELECTIVELY ADJUSTABLE TO DIRECT ITEMS ENTERING THE CAR FROM SAID DOOR TO ONE OF SAID FIRST AND SECOND RAILS AND THE STRAIGHT PORTION OF THE NEXT OF SAID FIRST RAIL FROM SAID DOOR.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |