Patent US3167379A successfully refreshed from Google Patents.
US3167379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous facsimile recorders
Assignee: Northrop Grumman Guidance and Electronics Co Inc
•
Filing: 1961-06-19
•
Granted: 1965-01-26
•
Expires: 1981-06-19
Abstract
No abstract record available.
Inventors
- 👤 Paul L Grafstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:03
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/12; H04N1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
APPARATUS FOR RECORDING ELECTRIC SIGNALS COMPRISING MEANS FOR SUPPORTING AND FEEDING A RECORDING BLANK IN THE FORM OF A CONTINUOUS WEB, A MOVABLE CARRIER BAND HAVING A SPAN ADJACENT THE RECORDING AREA ON SAID RECORDING BLANK, A PLURALITY OF IMPACT STYLI CARRIED BY SAID MOVABLE BAND TO TRAVERSE SAID RECORDING AREA IN SUCCESSION ACROSS THE WEB AND SIGNAL-RESPONSIVE MEANS FOR ACTUATING SAID STYLI TO APPLIED PRESSURE IN LOCALIZED AREAS AND THEREBY RECORD ON SAID RECORDING BLANK, SAID LAST-MENTIONED MEANS COMPRISING A MAGNETIZABLE ARMATURE ATTACHED TO EACH STYLUS AND STATIONARY ELECTROMAGNETIC MEANS FOR MOVING SAID ARMATURES TO ACTUATE SAID STYLI INTO MARKING CONTACT WITH SAID BLANK IN RESPONSE TO APPLIED SIGNALS, SAID STATIONARY ELECTROMAGNETIC MEANS COMPRISING A RECTILINEAR MAGNETIZABLE CORE MEMBER PROVIDED WITH OPPOSED SALIENT POLE PIECES BETWEEN WHICH SAID IMPACT STYLI MOVE TO TRAVERSING SAID RECORDING AREA, THE OPPOSED FACES OF SAID POLE PIECES EXTENDING PARALLEL TO AND CLOSELY SPACED FROM THE RECTILINEAR PATH OF MOVEMENT OF SAID ARMATURES.
Claim 2
Dependent Claim
159 words
APPARATUS FOR RECORDING ELECTRIC SIGNALS COMPRISING MEANS FOR SUPPORTING AND FEEDING A RECORDING BLANK IN THE FORM OF A CONTINUOUS WEB, A MOVABLE CARRIER BAND HAVING A SPAN ADJACENT THE RECORDING AREA ON SAID RECORDING BLANK, A PLURALITY OF IMPACT STYLI CARRIED BY SAID MOVABLE BAND TO TRAVERSE SAID RECORDING AREA IN SUCCESSION ACROSS THE WEB AND SIGNAL-RESPONSIVE MEANS FOR ACTUATING SAID STYLI TO APPLIED PRESSURE IN LOCALIZED AREAS AND THEREBY RECORD ON SAID RECORDING BLANK, SAID LAST-MENTIONED MEANS COMPRISING A MAGNETIZABLE ARMATURE ATTACHED TO EACH STYLUS AND STATIONARY ELECTROMAGNETIC MEANS FOR MOVING SAID ARMATURES TO ACTUATE SAID STYLI INTO MARKING CONTACT WITH SAID BLANK IN RESPONSE TO APPLIED SIGNALS, SAID STATIONARY ELECTROMAGNETIC MEANS COMPRISING A RECTILINEAR MAGNETIZABLE CORE MEMBER PROVIDED WITH OPPOSED SALIENT POLE PIECES BETWEEN WHICH SAID IMPACT STYLI MOVE TO TRAVERSING SAID RECORDING AREA, THE OPPOSED FACES OF SAID POLE PIECES EXTENDING PARALLEL TO AND CLOSELY SPACED FROM THE RECTILINEAR PATH OF MOVEMENT OF SAID ARMATURES.
References Cited (Backward Citations)
US1255202A
Cited
US2785039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |