Patent US3175443A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3175443A Expired / Lapsed US ⏱️ 0.0 years remaining

Chad disposal system having fluid current acceleration means

Assignee: AT&T Teletype Corp
•
Filing: 1962-06-22
•
Granted: 1965-03-30
•
Expires: 1982-06-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Ernst W Kettnich
  • 👤 Norman D Sargent

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 12:25
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/18; B26D7/1845; B26D7/1863; B26F; B26F1/00; B26F1/02; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2066; Y10T83/207; Y10T83/2092; Y10T83/2209; Y10T83/2216; Y10T83/222

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 193 words
IN A TAPE PERFORATOR WHEREIN WHEN PUNCHES ARE OPERATED THROUGH A DIE BLOCK TO PERFORATE A TAPE AND AS A RESULT PRODUCE CHAD AS A BY-PRODUCT OF A PUNCHING OPERATION, A CHAD REMOVAL SYSTEM COMPRISING RECEIVING MEANS INTERCONNECTED WITH SAID DIE BLOCK INTO WHICH THE CHAD FALL UNDER THE ACTION OF GRAVITY, DUCT MEANS CONNECTED TO SAID RECEIVING MEANS FOR CONVEYING SAID CHAD FROM THE RECEIVING MEANS TO A REMOTE COLLECTION POSITION, AIR MOVING MEANS CONNECTED TO SAID DUCT MEANS FOR INCREASING THE VELOCITY OF THE AIR INSIDE THE DUCT MEANS TO MOVE THE CHAD FROM SAID RECEIVING MEANS, SAID RECEIVING MEANS, DUCT MEANS AND AIR MOVING MEANS BEING POSITIONED TO DIRECT AN AIR CURRENT IN A DIRECTION TRANSVERSE THE CHAD ARE DIRECTION OF THE FALL OF THE CHAD WHEREBY THE CHAD ARE MOVED FROM THE RECEIVING MEANS INTO THE DUCT MEANS, CHAD COLLECTING MEANS CONNECTED TO SAID DUCT MEANS TO RECEIVE AND COLLECT THE CHAD, AND AN AIR PRESSURE DISSIPATING MEANS CONNECTED TO SAID DUCT MEANS ADJACENT TO THE COLLECTING MEANS TO REDUCE THE VELOCITY OF THE AIR AND THE CHAD CARRIED THEREBY PRIOR TO THEIR ENTRY INTO THE CHAD COLLECTING MEANS.
Claim 2
Dependent Claim 193 words
IN A TAPE PERFORATOR WHEREIN WHEN PUNCHES ARE OPERATED THROUGH A DIE BLOCK TO PERFORATE A TAPE AND AS A RESULT PRODUCE CHAD AS A BY-PRODUCT OF A PUNCHING OPERATION, A CHAD REMOVAL SYSTEM COMPRISING RECEIVING MEANS INTERCONNECTED WITH SAID DIE BLOCK INTO WHICH THE CHAD FALL UNDER THE ACTION OF GRAVITY, DUCT MEANS CONNECTED TO SAID RECEIVING MEANS FOR CONVEYING SAID CHAD FROM THE RECEIVING MEANS TO A REMOTE COLLECTION POSITION, AIR MOVING MEANS CONNECTED TO SAID DUCT MEANS FOR INCREASING THE VELOCITY OF THE AIR INSIDE THE DUCT MEANS TO MOVE THE CHAD FROM SAID RECEIVING MEANS, SAID RECEIVING MEANS, DUCT MEANS AND AIR MOVING MEANS BEING POSITIONED TO DIRECT AN AIR CURRENT IN A DIRECTION TRANSVERSE THE CHAD ARE DIRECTION OF THE FALL OF THE CHAD WHEREBY THE CHAD ARE MOVED FROM THE RECEIVING MEANS INTO THE DUCT MEANS, CHAD COLLECTING MEANS CONNECTED TO SAID DUCT MEANS TO RECEIVE AND COLLECT THE CHAD, AND AN AIR PRESSURE DISSIPATING MEANS CONNECTED TO SAID DUCT MEANS ADJACENT TO THE COLLECTING MEANS TO REDUCE THE VELOCITY OF THE AIR AND THE CHAD CARRIED THEREBY PRIOR TO THEIR ENTRY INTO THE CHAD COLLECTING MEANS.

References Cited (Backward Citations)

US755701A Cited
US1969770A Cited
US2065327A Cited
US3041905A Cited
US2968982A Cited
US3028743A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-03-29 1968-09-28 1969-03-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-03-29 1972-09-28 1973-03-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-03-29 1976-09-28 1977-03-30 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag