Patent US3788756A successfully refreshed from Google Patents.
US3788756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curb and drain unit
Assignee: Individual
•
Filing: 1971-10-05
•
Granted: 1974-01-29
•
Expires: 1991-10-05
Abstract
Abstract A curb and drain unit for roads which being installed on the both sides and/or the central reserve of highways or any other roads to prevent the automobile from running off the road and to drain water and slops from the road, and consisting of an upper curb portion to receive the tire of an automobile and a lower hollow portion for the drainage. Said curb portion of the unit is, in practice, provided by forming an inclined front face or a projected face on the upper half of said unit, and said drain is provided on the lower half of said unit to form a passage for drainage.
Inventors
- 👤 S Ito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:28
CPC Classifications
E; E01; E01D; E01D19/00; E01D19/08; E01D19/086; E01C; E01C11/00; E01C11/22; E01C11/221; E01C11/223; E01D19/06; Y; Y02; Y02A; Y02A30/00; Y02A30/60
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
139 words
Combination curb and sewer drain comprising a tubular member having an indented intermediate face portion and an outwardly extending bottom portion, the lower part of said bottom portion being adapted to fit into the ground, said bottom portion having at least one opening therein for admitting fluiD into the bottom portion of said tubular member; said tubular member having anchored means for securing the bottom portion of said tubular member to the ground, one end of said tubular member having a recessed portion and the other end of said tubular member having an engagement flange adapted to engage the recessed portion of the other end of a second similar tubular member, at least one end of said drain having a flexible joint member which engages said end wherein at least a portion of said flexible joint member is bellows-shaped.
Claim 2
Dependent Claim
139 words
Combination curb and sewer drain comprising a tubular member having an indented intermediate face portion and an outwardly extending bottom portion, the lower part of said bottom portion being adapted to fit into the ground, said bottom portion having at least one opening therein for admitting fluiD into the bottom portion of said tubular member; said tubular member having anchored means for securing the bottom portion of said tubular member to the ground, one end of said tubular member having a recessed portion and the other end of said tubular member having an engagement flange adapted to engage the recessed portion of the other end of a second similar tubular member, at least one end of said drain having a flexible joint member which engages said end wherein at least a portion of said flexible joint member is bellows-shaped.
Claim 3
Dependent Claim
29 words
Combination curb and sewer drain according to claim 1, wherein the intermediate face portion of said tubular member is detachably connected to the bottom portion of said tubular member.
Claim 4
Dependent Claim
159 words
Roadway construction having a combination curb and drain unit along at least one side of the length of the right of way thereof, said drain unit comprising a tubular member having an indented intermediate face portion and an outwardly extending bottom portion, the lower part of said bottom portion being adapted to fit into the ground, said bottom portion having at least one opening therein for admitting fluid into the bottom portion of said tubular member; said tubular member having anchoring means for securing the bottom portion of said tubular member to the ground, one end of said tubular member having a recessed portion and the other end of said tubular having an engagement flange adapted to engage the recessed portion of the other end of a second similar tubular member at least one end of said drain having a flexible joint member which engages said end wherein at least a portion of said flexible joint member is bellows-shaped.
Claim 5
Dependent Claim
159 words
Roadway construction having a combination curb and drain unit along at least one side of the length of the right of way thereof, said drain unit comprising a tubular member having an indented intermediate face portion and an outwardly extending bottom portion, the lower part of said bottom portion being adapted to fit into the ground, said bottom portion having at least one opening therein for admitting fluid into the bottom portion of said tubular member; said tubular member having anchoring means for securing the bottom portion of said tubular member to the ground, one end of said tubular member having a recessed portion and the other end of said tubular having an engagement flange adapted to engage the recessed portion of the other end of a second similar tubular member at least one end of said drain having a flexible joint member which engages said end wherein at least a portion of said flexible joint member is bellows-shaped.
Claim 6
Dependent Claim
26 words
Roadway construction according to claim 3, wherein the intermediate face portion of said tubular member is detachably connected to the bottom portion of said tubular member.
References Cited (Backward Citations)
US332761A
Cited
US533130A
Cited
US632973A
Cited
US802772A
Cited
US848075A
Cited
US993244A
Cited
US1073669A
Cited
US1786642A
Cited
US1656653A
Cited
US1881376A
Cited
US2471226A
Cited
US3459444A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-28 | 1977-07-30 | 1978-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-28 | 1981-07-30 | 1982-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-28 | 1985-07-30 | 1986-01-29 | $7700.00 | Window Closed / Lapsed |