US4813520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Externally and detachably framed collapsible baggage
Assignee: Mascot Metropolitan Inc
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Filing: 1987-08-06
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Granted: 1989-03-21
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Expires: 2007-08-06
Abstract
Abstract A collapsible piece of baggage, comprising internally a flexible or pliable bag enclosure and externally a detachable frame to outline the bag-defining formation and to hold the flexible or pliable bag enclosure, is constructed and well arranged so that it may be readily reduced in size for storage or other purposes and so that it may be easily and quickly set up into operative condition, ready for use.
Inventors
- 👤 Tri-Ping Lin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:52
CPC Classifications
A; A45; A45C; A45C5/00; A45C5/14; A45C7/00; A45C7/0018; A45C7/0036
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
227 words
An externally and detachably framed piece of collapsible baggage comprising: a flexible bag enclosure for defining a volume therein, said bag enclosure including spaced opposed front and back sides, each said front and back side having upper, lower, left, and right edges, an external sleeve attached along each said edge, each said sleeve having first and second ends, each said sleeve extending less than the length of each said respective edge for defining a sleeveless space between adjacent sleeves; and an external collapsible frame structure supporting said flexible bag structure and defining the volume thereof, said collapsible frame structure including a pair of front and back frames supporting said front and back sides of said bag enclosure, each said front and back frame including four tubes, each tube of said four tubes being removably inserted in a respective external sleeve, each said front and back frame having four bent tubes, each bent tube detachably connecting adjacent ones of said four tubes and being in one of said sleeveless spaces defined between adjacent ends of adjacent sleeves, and collapsible cross-bar means for moving said front and back frames apart for moving said spaced opposed front and back sides of said flexible bag enclosure apart for varying the volume defined by said flexible bag enclosure, said collapsible cross-bar means being detachably attached to each said front and back frames.
Claim 2
Dependent Claim
227 words
An externally and detachably framed piece of collapsible baggage comprising: a flexible bag enclosure for defining a volume therein, said bag enclosure including spaced opposed front and back sides, each said front and back side having upper, lower, left, and right edges, an external sleeve attached along each said edge, each said sleeve having first and second ends, each said sleeve extending less than the length of each said respective edge for defining a sleeveless space between adjacent sleeves; and an external collapsible frame structure supporting said flexible bag structure and defining the volume thereof, said collapsible frame structure including a pair of front and back frames supporting said front and back sides of said bag enclosure, each said front and back frame including four tubes, each tube of said four tubes being removably inserted in a respective external sleeve, each said front and back frame having four bent tubes, each bent tube detachably connecting adjacent ones of said four tubes and being in one of said sleeveless spaces defined between adjacent ends of adjacent sleeves, and collapsible cross-bar means for moving said front and back frames apart for moving said spaced opposed front and back sides of said flexible bag enclosure apart for varying the volume defined by said flexible bag enclosure, said collapsible cross-bar means being detachably attached to each said front and back frames.
Claim 3
Dependent Claim
46 words
A device as in claim 1, wherein said cross-bar means includes an upper and lower pair of cross-bars, and each said pair of cross-bars is detachably attached to said front and back frames in one of said sleeveless spaces defined between adjacent ends of adjacent sleeves.
Claim 4
Dependent Claim
40 words
A device as in claim 2, further comprising means for detachably attaching a handle to said front and back frames, a handle detachably attached to said attaching means, and a plurality of wheels attached to said front and back frames.
References Cited (Backward Citations)
US342563A
Cited
GB190700500A
Cited
FR433661A
Cited
US1155475A
Cited
US1111428A
Cited
US1329194A
Cited
GB580515A
Cited
US2512101A
Cited
US2571442A
Cited
US2710084A
Cited
US3165178A
Cited
US3447648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-03-20 | 1992-09-19 | 1993-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-03-20 | 1996-09-19 | 1997-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-03-20 | 2000-09-19 | 2001-03-21 | $7700.00 | Window Closed / Lapsed |