← Back to Patent Explorer
US3229749A Expired / Lapsed US ⏱️ 0.0 years remaining

Spray evaporator for removing excess water from septic or drainage tanks

Assignee: Individual
•
Filing: 1962-05-28
•
Granted: 1966-01-18
•
Expires: 1982-05-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Holmer Raymond Willard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 10:47
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/14; E03F11/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 134 words
IN COMBINATION WITH A SEPTIC TANK, AN EVAPORATOR COMPRISING A CHAMBER HAVING AN OUTER OPENING AT ITS TOP FOR VAPOR, MEANS FOR HEATING THE CHAMBER, MEANS TO CONDUCT LIQUID FROM THE SEPTIC TANK INTO THE CHAMBER, SPRAY MEANS IN THE CHAMBER TO SPRAY THE LIQUID IN A RELATIVELY FINE SPRAY IN THE CHAMBER WHEREBY THE LIQUID WILL VAPORIZE RAPIDLY AND PASS THROUGH THE OUTLET OPENING, MEANS IN THE CHAMBER TO LIMIT THE LEVEL OF UNVAPORIZED LIQUID THEREIN AND MEANS RESPONSIVE TO AN UPPER LIMITING LEVEL OF LIQUID IN THE SEPTIC TANK TO INITIATE OPERATION OF THE HEATING MEANS, THE CONDUCTING MEANS AND THE SPRAY MMEANS AND FURTHER RESPONSIVE TO A LOWER LIMIT OF THE LIQUID LEVEL IN THE SEPTIC TANK TO TERMINATE OPERATION OF THE HEATING MEANS, THE CONDUCTING MEANS AND THE SPRAY MEANS.
Claim 2
Dependent Claim 134 words
IN COMBINATION WITH A SEPTIC TANK, AN EVAPORATOR COMPRISING A CHAMBER HAVING AN OUTER OPENING AT ITS TOP FOR VAPOR, MEANS FOR HEATING THE CHAMBER, MEANS TO CONDUCT LIQUID FROM THE SEPTIC TANK INTO THE CHAMBER, SPRAY MEANS IN THE CHAMBER TO SPRAY THE LIQUID IN A RELATIVELY FINE SPRAY IN THE CHAMBER WHEREBY THE LIQUID WILL VAPORIZE RAPIDLY AND PASS THROUGH THE OUTLET OPENING, MEANS IN THE CHAMBER TO LIMIT THE LEVEL OF UNVAPORIZED LIQUID THEREIN AND MEANS RESPONSIVE TO AN UPPER LIMITING LEVEL OF LIQUID IN THE SEPTIC TANK TO INITIATE OPERATION OF THE HEATING MEANS, THE CONDUCTING MEANS AND THE SPRAY MMEANS AND FURTHER RESPONSIVE TO A LOWER LIMIT OF THE LIQUID LEVEL IN THE SEPTIC TANK TO TERMINATE OPERATION OF THE HEATING MEANS, THE CONDUCTING MEANS AND THE SPRAY MEANS.

References Cited (Backward Citations)

US1491026A Cited
US1410358A Cited
US1491486A Cited
US1544130A Cited
US1471765A Cited
US1766622A Cited
US1886163A Cited
US2327039A Cited
US2368049A Cited
US2677368A Cited
US2872973A Cited
US2875749A Cited
US2921681A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-01-17 1969-07-19 1970-01-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-01-17 1973-07-19 1974-01-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-01-17 1977-07-19 1978-01-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag