← Back to Patent Explorer
US3579320A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for producing and recovering valuable materials from municipal waste

Assignee: General Ecological Systems Inc
•
Filing: 1969-08-18
•
Granted: 1971-05-18
•
Expires: 1989-08-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A PROCESS FOR PRODUCING AND RECOVERING VALUABLE MATERIALS FROM A BURDEN COMPRISING A MIXTURE OF ORGANIC AND INORGANIC WASTE MATERIALS COMPRISING THE STEPS OF SEPARATING LARGE REFUSE ITEMS FROM THE BURDEN AND SEPARATELY RECOVERING SAME OPENING CONTAINERS OF REDUCE PRESENT IN THE BURDEN AND SEPARATELY RECOVERING THE CONTAINERS; SUBJECTING THE BURDEN TO A MAGNETIC SEPARATION ORGANATION AND SEPARATELY RECOVERING THE MAGNETIC MATERIALS; CLASSIFYING THE NON-MAGNETIC MATERIALS ACCORDING TO SIZE RANGES; REMOVING DISCRETE ITEMS OF REFUSE SUCH AS GLASS, PLASTIC, METALS, PAPER AND THE LIKE FROM THE LARGE SIZE RANGE MATERIAL AND SEPARATELY RECOVERING THE DISCRETE REFUSE ITEMS, COMMINUTING THE LARGE AND INTERMEDIATE SIZE RANGE MATERIALS AND CONTAINING THE COMMINUTED MATERIAL WITH THE SMALL SIZE RANGE MATERIAL TO FROM AN ORGANIC MASS, COMPOSING THE ORGANICS MASS, PREFERABLY IN A MIXTURE WITH RAW SEWAGE; AND RECOVERING A STERILE COMPOST.

Inventors

  • 👤 Marvin Presses

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 13:07
CPC Classifications
C; C05; C05F; C05F9/00; C05F9/02; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/20; Y10; Y10S; Y10S241/00; Y10S241/38; Y10S71/00; Y10S71/901

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-05-17 1974-11-16 1975-05-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-05-17 1978-11-16 1979-05-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-05-17 1982-11-16 1983-05-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag