US3175443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chad disposal system having fluid current acceleration means
Assignee: AT&T Teletype Corp
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Filing: 1962-06-22
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Granted: 1965-03-30
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Expires: 1982-06-22
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 11:58
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 |