← Back to Patent Explorer
US3604021A Expired / Lapsed US ⏱️ 0.0 years remaining

Urinal tablet

Assignee: ELTON IND CORP
•
Filing: 1969-05-15
•
Granted: 1971-09-14
•
Expires: 1989-05-15
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A tablet for use in a toilet, urinal, or the like which has an ingredient a substance for increasing the decompositional rate of the waste material in a cesspool sewage system or the like.

Inventors

  • 👤 Albert C Nolte Jr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 23:28
CPC Classifications
E; E03; E03D; E03D9/00; E03D9/02; E03D9/03; E03D9/032; C; C02; C02F; C02F3/00; C02F3/34; C02F2103/00; C02F2103/005; E03D2009/024

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 66 words
An article for installation in a toilet bowl forming part of a waste collection system, comprising a water-disintegrating cake containing yeast as the active ingredient for decomposing the waste material collected in said system said yeast being present in a form wherein only a part thereof is released with a single flushing of said toilet bowl and means for supporting said cake within said toilet bowl.
Claim 2
Dependent Claim 66 words
An article for installation in a toilet bowl forming part of a waste collection system, comprising a water-disintegrating cake containing yeast as the active ingredient for decomposing the waste material collected in said system said yeast being present in a form wherein only a part thereof is released with a single flushing of said toilet bowl and means for supporting said cake within said toilet bowl.
Claim 3
Dependent Claim 25 words
An article according to claim 1, wherein said cake contains said yeast in an amount equal to a plurality of flushes of said toilet bowl.
Claim 4
Dependent Claim 15 words
An article according to claim 1, wherein said cake additionally contains a grease dissolving agent.
Claim 5
Dependent Claim 13 words
An article according to claim 3, wherein said grease dissolving agent is orthodichlorobenzene.

References Cited (Backward Citations)

US917779A Cited
US2011732A Cited
GB460041A Cited
US2382010A Cited
US2528403A Cited
US2985377A Cited
CH360353A Cited
US2984841A Cited
US3320621A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag