Patent US3313071A successfully refreshed from Google Patents.
US3313071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor racks
Assignee: Individual
•
Filing: 1964-04-20
•
Granted: 1967-04-11
•
Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Charles R Johnston
- 👤 Harry G Robertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:17
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN FLOOR RACKS FOR REFRIGERATED STORAGE COMPARTMENTS, THE COMBINATION OF (A) A PLURALITY OF ELONGATED SPACER RAILS CARRIED BY THE FLOOR OF THE COMPARTMENT SO POSITIONED THAT THERE IS A RAIL ADJACENT EACH OF THE SIDE WALLS OF THE COMPARTMENT AND A CENTER RAIL SUBSTANTIALLY DIVIDING THE FLOOR INTO EQUAL SECTIONS, (B) FLOOR RACKS FOR EACH SECTION COMPRISING A PLURALITY OF ELONGATED STRINGERS SPACED BETWEEN AND EXTENDING PARALLEL TO SAID RAILS WITH CERTAIN OF SAID STRINGERS ADJACENT SAID RAILS FORMED TO PROVIDE A HORIZONTALLY EXTENDING SUPPORT TERMINATING AT ONE EDGE INTO A LONGITUDINAL VERTICALLY EXTENDING FLANGE WITH THE TOP OF SAID FLANGE EXTENDING COPLANAR TO THE TOP OF SAID RAILS, AND WITH OTHER OF SAID STRINGERS INTERMEDIATE SAID RAILS BEING SUBSTANTIALLY I-SHAPED IN CROSS SECTION TO PROVIDE A MEDIAL HORIZONTAL SUPPORT FOR FLOORFORMING MEMBERS, AND A PLURALITY OF FLOOR-FORMING MEMBERS EXTENDING TRANSVERSELY OF AND THROUGHOUT
Claim 2
Dependent Claim
145 words
IN FLOOR RACKS FOR REFRIGERATED STORAGE COMPARTMENTS, THE COMBINATION OF (A) A PLURALITY OF ELONGATED SPACER RAILS CARRIED BY THE FLOOR OF THE COMPARTMENT SO POSITIONED THAT THERE IS A RAIL ADJACENT EACH OF THE SIDE WALLS OF THE COMPARTMENT AND A CENTER RAIL SUBSTANTIALLY DIVIDING THE FLOOR INTO EQUAL SECTIONS, (B) FLOOR RACKS FOR EACH SECTION COMPRISING A PLURALITY OF ELONGATED STRINGERS SPACED BETWEEN AND EXTENDING PARALLEL TO SAID RAILS WITH CERTAIN OF SAID STRINGERS ADJACENT SAID RAILS FORMED TO PROVIDE A HORIZONTALLY EXTENDING SUPPORT TERMINATING AT ONE EDGE INTO A LONGITUDINAL VERTICALLY EXTENDING FLANGE WITH THE TOP OF SAID FLANGE EXTENDING COPLANAR TO THE TOP OF SAID RAILS, AND WITH OTHER OF SAID STRINGERS INTERMEDIATE SAID RAILS BEING SUBSTANTIALLY I-SHAPED IN CROSS SECTION TO PROVIDE A MEDIAL HORIZONTAL SUPPORT FOR FLOORFORMING MEMBERS, AND A PLURALITY OF FLOOR-FORMING MEMBERS EXTENDING TRANSVERSELY OF AND THROUGHOUT
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) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |