← Back to Patent Explorer
US3728094A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of making glass

Assignee: BOWMAN AND ASS Inc
•
Filing: 1971-07-15
•
Granted: 1973-04-17
•
Expires: 1991-07-15
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract THE SPECIFICATION DISCLOSES A PROCESS FOR MAKING GLASS IN WHICH, BY A COMBINATION OF INTEGRATED STEPS, WASTE 0000000CHEMICALS IN THE FORM OF VAPOR OR PARTICULATES NOW LOST UP THE GLASS FURNACE STACK TO ATMOSPHERE ARE RECOVERED AND RECYCLED INTO EITHER AGGLOMERATED OR UNAGGLOMERATED GLASS BATCH. ALSO CHEMICALS NORMALLY DISCHARGED TO THE SEWER IN A WASTE WATER STREAM ARE RECOVERED AND RECYCLED INTO EITHER AGGLOMERATED OR UNAGGLOMERATED GLASS BATCH. THE PROCESS ALSO ENABLES RECOVERY AND RECYCLING INTO THE GLASS BATCH OF A SUBSTANTIAL PERCENTAGE OF THE B.T.U. CONTENT OF THE FUEL SUPPLIED TO MELT THE GLASS BATCH IN A STANDARD FURNACE. THE PROCESS ENABLES COMPLIANCE WITH MOST REGULATIONS REGARDING AIR AND STREAM POLLUTION.

Inventors

  • 👤 G Bowman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 08:47
CPC Classifications
C; C03; C03B; C03B1/00; C03B1/02; Y; Y02; Y02P; Y02P40/00; Y02P40/50; Y10; Y10S; Y10S261/00; Y10S261/09

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) 1976-04-16 1976-10-16 1977-04-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-04-16 1980-10-16 1981-04-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-04-16 1984-10-16 1985-04-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag