Patent US3129704A successfully refreshed from Google Patents.
US3129704A
Expired / Lapsed
US
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Electronic cardiac programmer
Assignee: Cordis Corp
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Filing: 1960-08-25
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Granted: 1964-04-21
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Expires: 1980-08-25
Abstract
No abstract record available.
Inventors
- 👤 Jr William G Burt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:42
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/24; A61B5/316; A61B5/318; A61B5/346; A61B5/349; A61B5/352; Y; Y10; Y10S; Y10S128/00; Y10S128/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
ELECTRICAL APPARATUS FOR CONTROLLING EXTERNAL EQUIPMENT FOR TREATMENT OF A PATIENT IN TIMED RELATION TO THE PATIENT''S ELECTRICAL CARDIAC SIGNAL OCCURING IN A CARDIAC INTERVAL, SAID APPARATUS COMPRISING A CHANNEL FOR MODIFYING THE CARDIAC SIGNAL SO AS TO PRODUCE A MODIFIED SIGNAL HAVING A PROMINENT PORTION, MEANS GENERATING AN OUTPUT SIGNAL HAVING A PREDETERMINED TIME RELATION TO SAID CARDIAC SIGNAL FOR CONTROLLING AN EXTERNAL DEVICE FOR TREATING A PATIENT, A CHANNEL FOR TRANSMITTING SAID MODIFIED SIGNAL TO SAID GENERATING MEANS INCLUDING MEANS TO DELAY THE OCCURRENCE OF THE OUTPUT SIGNAL FOR A PREDETERMINED INTERVAL AFTER THE MODIFIED SIGNAL AND INCLUDING MEANS TO SUPPRESS NOISE DURING A SUBSTANTIAL PORTION OF THE TIME BETWEEN THE OCCURRENCE OF SAID MODIFIED SIGNAL AND THE OCCURRANCE OF SAID OUTPUT SIGNAL, SAID DELAY MEANS HAVING A TIME CONSTANT MEANS LIMITING SAID DELAY TO A FRACTION OF THE CARDIAC INTERVAL.
Claim 2
Dependent Claim
143 words
ELECTRICAL APPARATUS FOR CONTROLLING EXTERNAL EQUIPMENT FOR TREATMENT OF A PATIENT IN TIMED RELATION TO THE PATIENT''S ELECTRICAL CARDIAC SIGNAL OCCURING IN A CARDIAC INTERVAL, SAID APPARATUS COMPRISING A CHANNEL FOR MODIFYING THE CARDIAC SIGNAL SO AS TO PRODUCE A MODIFIED SIGNAL HAVING A PROMINENT PORTION, MEANS GENERATING AN OUTPUT SIGNAL HAVING A PREDETERMINED TIME RELATION TO SAID CARDIAC SIGNAL FOR CONTROLLING AN EXTERNAL DEVICE FOR TREATING A PATIENT, A CHANNEL FOR TRANSMITTING SAID MODIFIED SIGNAL TO SAID GENERATING MEANS INCLUDING MEANS TO DELAY THE OCCURRENCE OF THE OUTPUT SIGNAL FOR A PREDETERMINED INTERVAL AFTER THE MODIFIED SIGNAL AND INCLUDING MEANS TO SUPPRESS NOISE DURING A SUBSTANTIAL PORTION OF THE TIME BETWEEN THE OCCURRENCE OF SAID MODIFIED SIGNAL AND THE OCCURRANCE OF SAID OUTPUT SIGNAL, SAID DELAY MEANS HAVING A TIME CONSTANT MEANS LIMITING SAID DELAY TO A FRACTION OF THE CARDIAC INTERVAL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |