US3788017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Morter debris cleanout apparatus
Assignee: Individual
•
Filing: 1972-06-05
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Granted: 1974-01-29
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Expires: 1992-06-05
Abstract
Abstract A morter debris collecting bag is supported in a vertical passage in a masonry block wall formed by vertically aligned holes in the blocks in which vertical reinforcing rods are to be installed. A metal frame with hooks supports the bag. The frame funnels debris into the bag which is belled. The bag has a drawstring and is withdrawn by a pole having extendibleretractable hooks at its lower end used to engage the drawstring.
Inventors
- 👤 C Bachus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:43
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/24; E04G21/14; E04G21/16; E04G21/20
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
120 words
Mortar debris cleanout apparatus for a vertical passage in a masonry block wall formed by vertically aligned holes in the blocks in which vertical reinforcing rod means are to be installed and grouted in place comprising support means posiTioned in said vertical passage during layup, bag means removably attached to said support means for catching and retaining mortar debris, said bag means having flexible lifting means positioned adjacent the top portion thereof to facilitate lifting the bag out of said vertical passage, and bag removing means for lifting said bag out of said vertical passage to clean out the mortar debris, said bag removing means comprising hook means for engaging said flexible lifting means to enable removal of said bag.
Claim 2
Dependent Claim
120 words
Mortar debris cleanout apparatus for a vertical passage in a masonry block wall formed by vertically aligned holes in the blocks in which vertical reinforcing rod means are to be installed and grouted in place comprising support means posiTioned in said vertical passage during layup, bag means removably attached to said support means for catching and retaining mortar debris, said bag means having flexible lifting means positioned adjacent the top portion thereof to facilitate lifting the bag out of said vertical passage, and bag removing means for lifting said bag out of said vertical passage to clean out the mortar debris, said bag removing means comprising hook means for engaging said flexible lifting means to enable removal of said bag.
Claim 3
Dependent Claim
40 words
The combination according to claim 1 wherein said flexible lifting means comprises a drawstring which is endless and has a figure-eight configuration crossing over the center of the mouth of said bag to be engaged by said bag removing means.
Claim 4
Dependent Claim
58 words
The combination according to claim 1 wherein said support means includes a rigid frame having outer flanges fitting between the levels of an upper and a lower block and resting on said lower block at the location of said support means and said frame having inner flanges extending inwardly and downwardly to funnel mortar debris into said bag.
Claim 5
Dependent Claim
32 words
The combination according to claim 3 wherein said bag is upwardly belled so that the upper portion of said bag and said inner flanges of said frame substantially bridge said vertical passage.
Claim 6
Dependent Claim
78 words
The combination according to claim 1 wherein said bag removing means comprises a pole having a hollow center space, and a rod disposed in said center space and movable in position vertically, said hook means being secured to the lower end of said rod and said pole having opening means in which said hook means are positioned, said hook means being extendable out of said opening means and retractable into said opening means by movement of said rod.
Claim 7
Dependent Claim
117 words
The combination according to claim 5 wherein said pole has a first and a second rest extending laterally from the upper portion of said pole and spaced vertically, the first rest being located so that when it abuts the top of said wall said hook means are located below said flexible lifting means in position to hook onto the same in upward movement, the second rest being located so that when it abuts the top of said wall said hook means are located above said support means so that if said hook means has hooked onto said flexible lifting means and has pulled said bag upwardly said hook means can be retracted without engaging said support means.
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) | 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 |