Patent US3946839A successfully refreshed from Google Patents.
US3946839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suitcase device
Assignee: Lee Raymond Organization Inc
•
Filing: 1975-03-31
•
Granted: 1976-03-30
•
Expires: 1995-03-31
Abstract
Abstract A plurality of recesses are formed in the bottom of a suitcase in spaced relation with each other. A plurality of mounting devices are provided, each movably mounted in a corresponding one of the recesses. Each of a plurality of wheels is rotatably mounted on a corresponding one of the mounting devices. A control system in the suitcase selectively controls the movement of the mounting devices in the recesses in a manner whereby the wheels are spaced from the bottom of the suitcase for supporting the suitcase in one position and are retracted into the recesses in another position.
Inventors
- 👤 Robert C. Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:01
CPC Classifications
A; A45; A45C; A45C5/00; A45C5/14; A45C5/146
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
159 words
A suitcase device for a suitcase having a top and a bottom, said suitcase device comprising a plurality of recesses formed in the bottom of a suitcase in spaced relation with each other; a plurality of mounting means each movably mounted in a corresponding one of the recesses; a plurality of wheels each rotatably mounted on a corresponding one of the mounting means; and control means in the suitcase for selectively controlling the movement of the mounting means in the recesses in a manner whereby the wheels are spaced from the bottom of the suitcase for supporting said suitcase in one position and are retracted into the recesses in another position, said control means comprises a source of electrical energy, a switch mounted at the handle, a plurality of electromagnets each in operative proximity with a corresponding one of the mounting means and circuit means electrically connecting the source of electrical energy, plurality of electromagnets and switch in circuit.
Claim 2
Dependent Claim
159 words
A suitcase device for a suitcase having a top and a bottom, said suitcase device comprising a plurality of recesses formed in the bottom of a suitcase in spaced relation with each other; a plurality of mounting means each movably mounted in a corresponding one of the recesses; a plurality of wheels each rotatably mounted on a corresponding one of the mounting means; and control means in the suitcase for selectively controlling the movement of the mounting means in the recesses in a manner whereby the wheels are spaced from the bottom of the suitcase for supporting said suitcase in one position and are retracted into the recesses in another position, said control means comprises a source of electrical energy, a switch mounted at the handle, a plurality of electromagnets each in operative proximity with a corresponding one of the mounting means and circuit means electrically connecting the source of electrical energy, plurality of electromagnets and switch in circuit.
Claim 3
Dependent Claim
20 words
A suitcase device as claimed in claim 1, further comprising a telescopic handle extending from the top of the suitcase.
Claim 4
Dependent Claim
25 words
A suitcase device as claimed in claim 2, further comprising an additional recess formed in the bottom of the suitcase and an umbrella stored therein.
References Cited (Backward Citations)
US497557A
Cited
US2581417A
Cited
US2596578A
Cited
US2925283A
Cited
US3513952A
Cited
US3842953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-03-30 | 1979-09-29 | 1980-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-30 | 1983-09-29 | 1984-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-30 | 1987-09-29 | 1988-03-30 | $7700.00 | Window Closed / Lapsed |