Patent US3680715A successfully refreshed from Google Patents.
US3680715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building materials transporting and handling apparatus
Assignee: Individual
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Filing: 1970-12-28
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Granted: 1972-08-01
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Expires: 1990-12-28
Abstract
Abstract Building materials are stacked and secured on an ''''L'''' shaped frame. Wheels on the bottom of the frame allow the material to easily be transported through narrow passageways. Curved members on the side of the frame allow the material to be placed in a horizontal position and unloaded.
Inventors
- 👤 Thurman R Montgomery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:14
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/10; B62B3/108; B62B2203/00; B62B2203/05
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
87 words
An apparatus for transporting a load through narrow passageways, comprising: a substantially ''''L'''' shaped frame with a generally vertical upright portion and a generally horizontal lower portion, said lower portion adapted to support said load when said load is being transported; wheel means connected to the lower portion of said frame for moving said apparatus when the load is being transported; and a curved member affixed to the upright portion of said ''''L'''' shaped frame, extending convexly outwardly for assisting in unloading said load from said apparatus.
Claim 2
Independent Claim
87 words
An apparatus for transporting a load through narrow passageways, comprising: a substantially ''''L'''' shaped frame with a generally vertical upright portion and a generally horizontal lower portion, said lower portion adapted to support said load when said load is being transported; wheel means connected to the lower portion of said frame for moving said apparatus when the load is being transported; and a curved member affixed to the upright portion of said ''''L'''' shaped frame, extending convexly outwardly for assisting in unloading said load from said apparatus.
Claim 3
Dependent Claim
30 words
The apparatus of claim 1 including means on the inner side of said upright portion of the ''''L'''' shaped frame for providing relative movement between said frame and a load.
Claim 4
Dependent Claim
19 words
The apparatus of claim 2 including strap means connected to said frame for securing said load to said frame.
Claim 5
Dependent Claim
26 words
The apparatus of claim 1 wherein said generally horizontal lower portion of said substantially ''''L'''' shaped frame is a rectangular base adapted to receive the load.
Claim 6
Dependent Claim
31 words
The apparatus of claim 4 wherein said vertical upright portion of said substantially ''''L'''' shaped frame includes at least one side frame that extends substantially perpendicular upward from said rectangular base.
Claim 7
Dependent Claim
30 words
The apparatus of claim 5 wherein said curved member includes a curved portion of said at least one side frame extending convexly outwardly from said at least one side frame.
Claim 8
Dependent Claim
35 words
The apparatus of claim 6 including conveyer means positioned on said at least one side member for allowing movement of the load relative to said substantially ''''L'''' shaped frame when the load is being unloaded.
Claim 9
Dependent Claim
30 words
The apparatus of claim 7 including means for selectively holding the load in place when the load is being transported and releasing the load when the load is being unloaded.
Claim 10
Dependent Claim
49 words
The apparatus of claim 8 wherein said means for selectively holding the load in place when the load is being transported and releasing the load when the load is being unloaded includes a belt connected to said substantially ''''L'''' shaped frame for releasably holding the load on said apparatus.
Claim 11
Dependent Claim
20 words
The apparatus of claim 9 including connection means on said ''''L'''' shaped frame for allowing the frame to be lifted.
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) | 1975-08-01 | 1976-01-31 | 1976-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-01 | 1980-01-31 | 1980-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-01 | 1984-01-31 | 1984-08-01 | $7700.00 | Window Closed / Lapsed |