Patent US2450607A successfully refreshed from Google Patents.
Patent US3141680A successfully refreshed from Google Patents.
US3141680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable luggage having retractable wheels
Assignee: Individual
•
Filing: 1962-05-02
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Granted: 1964-07-21
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Expires: 1982-05-02
Abstract
No abstract record available.
Inventors
- 👤 Goldwin C Mccord
- 👤 Martin R Priban
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:55
CPC Classifications
A; A45; A45C; A45C5/00; A45C5/14; A45C5/146
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A PIECE OF LUGGAGE COMPRISING A BOX HAVING A BOTTOM, A FIRST END WALL EXTENDING FROM ONE END OF THE BOTTOM, A SECOND END WALL EXTENDING FROM THE OTHER END OF THE BOTTOM, SAID BOTTOM HAVING AN OPENING THEREIN ADJACENT TO THE FIRST END WALL, A FIRST SHAFT ROTATABLY MOUNTED ON THE INTERIOR SIDE OF THE BOTTOM ADJACENT TO AND PARALLEL WITH THE FIRST END WALL, A FIRST LEVER ARM SECURED TO AND ROTATABLE WITH THE FIRST SHAFT, A WHEEL ROTATABLY MOUNTED ON THE FIRST LEVER ARM, A SECOND LEVER ARM SECURED TO AND ROTATABLE WITH THE FIRST SHAFT, SAID SECOND LEVER ARM BEING DISPOSED AT AN ANGLE BETWEEN 90 DEGREES AND 180 DEGREES WITH THE FIRST LEVER ARM, AND MEANS FOR POSITIONING THE SECOND LEVER ARM BETWEEN A FIRST POSITION WHEREIN THE WHEEL IS DISPOSED ON ONE SIDE OF THE BOTTOM AND A SECOND POSITION WHEREIN THE WHEEL IS DISPOSED ON THE OTHER SIDE OF THE BOTTOM INCLUDING A FIRST GUIDE BLOCK MOUNTED ON THE INSIDE SURFACE OF THE BOTTOM,
Claim 2
Dependent Claim
171 words
A PIECE OF LUGGAGE COMPRISING A BOX HAVING A BOTTOM, A FIRST END WALL EXTENDING FROM ONE END OF THE BOTTOM, A SECOND END WALL EXTENDING FROM THE OTHER END OF THE BOTTOM, SAID BOTTOM HAVING AN OPENING THEREIN ADJACENT TO THE FIRST END WALL, A FIRST SHAFT ROTATABLY MOUNTED ON THE INTERIOR SIDE OF THE BOTTOM ADJACENT TO AND PARALLEL WITH THE FIRST END WALL, A FIRST LEVER ARM SECURED TO AND ROTATABLE WITH THE FIRST SHAFT, A WHEEL ROTATABLY MOUNTED ON THE FIRST LEVER ARM, A SECOND LEVER ARM SECURED TO AND ROTATABLE WITH THE FIRST SHAFT, SAID SECOND LEVER ARM BEING DISPOSED AT AN ANGLE BETWEEN 90 DEGREES AND 180 DEGREES WITH THE FIRST LEVER ARM, AND MEANS FOR POSITIONING THE SECOND LEVER ARM BETWEEN A FIRST POSITION WHEREIN THE WHEEL IS DISPOSED ON ONE SIDE OF THE BOTTOM AND A SECOND POSITION WHEREIN THE WHEEL IS DISPOSED ON THE OTHER SIDE OF THE BOTTOM INCLUDING A FIRST GUIDE BLOCK MOUNTED ON THE INSIDE SURFACE OF THE BOTTOM,
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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |