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US3604020A
Expired / Lapsed
US
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Toilet tank sanitizing dispenser
Assignee: BLUE LUSTRE HOME CARE PRODUCTS Inc
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Filing: 1969-06-25
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Granted: 1971-09-14
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Expires: 1989-06-25
Abstract
Abstract A dispenser package for sanitizing toilet tanks and bowls including a body portion suspendible below normal water level in a toilet tank and a strap hanger for so suspending the body portion. The body portion contains a sanitizing formulation. The package provides a pair of openings for circulation of water through the package. The formulation contains a relatively insoluble dispenser aid such as ground gravel to maintain the formulation''s water permeability during the life of the package.
Inventors
- 👤 Nickolaus Moisa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:54
CPC Classifications
E; E03; E03D; E03D9/00; E03D9/02; E03D9/03; E03D9/033; E03D9/038; E03D2009/024
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
35 words
In the dispenser of claim 1 in which sanitizing formulation comprises a water-insoluble granular dispenser aid to provide an open matrix in said formulation and to assist in stabilizing the container in said toilet tank.
Claim 2
Dependent Claim
25 words
In the dispenser package of claim 1 in which said sanitizing formulation fills only about one-half of said container and includes a water-insoluble dispensing aid.
Claim 3
Dependent Claim
28 words
In the dispenser package of claim 3 in which one of said openings is below the top of the container and above the level of said sanitizing formulation.
Claim 4
Dependent Claim
14 words
In the dispenser of claim 2 in which said dispenser aid comprises salt pellets.
Claim 5
Dependent Claim
15 words
In the dispenser of claim 2 in which said dispenser aid comprises water-insoluble granular material.
Claim 6
Dependent Claim
34 words
In the dispenser of claim 2 in which said dispenser aid is ground gravel having no dimension greater than about one-sixteenth inch and in which said sanitizing formulation comprises trisodium phosphate and calcium hypochlorite.
Claim 7
Dependent Claim
15 words
In the dispenser of claim 7 in which said sanitizing formulation further includes salt pellets.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-13 | 1975-03-15 | 1975-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-13 | 1979-03-15 | 1979-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-13 | 1983-03-15 | 1983-09-14 | $7700.00 | Window Closed / Lapsed |