US3120227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for obtaining a fetal electrocardiogram
Assignee: Individual
•
Filing: 1960-07-08
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Granted: 1964-02-04
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Expires: 1980-07-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles A Hunter
- 👤 Robert J Braunlin
- 👤 Kenneth G Lansford
- 👤 Suzanne B Knoebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:57
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/43; A61B5/4306; A61B5/4343; A61B5/4362; A61B5/24; A61B5/25; A61B5/279; A61B5/28; A61B5/283; A61B5/288; A61B5/316; A61B5/318; A61B5/344
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A METHOD OF MONITORING THE FETAL HEART AND COMPRISING THE STEPS OF: INSERTING A FIRST ELECTRODE INTO THE VAGINA OF THE MOTHER; PIERCING THE SKIN OF THE FETUS WITH SAID FIRST ELECTRODE AT A POINT ACCESSIBLE THROUGH THE VAGINA OF THE MOTHER; CONNECTING A SECOND ELECTRODE TO THE BODY OF THE MOTHER; AND CONNECTING INDICATING MEANS TO SAID ELECTRODES.
Claim 2
Independent Claim
59 words
A METHOD OF MONITORING THE FETAL HEART AND COMPRISING THE STEPS OF: INSERTING A FIRST ELECTRODE INTO THE VAGINA OF THE MOTHER; PIERCING THE SKIN OF THE FETUS WITH SAID FIRST ELECTRODE AT A POINT ACCESSIBLE THROUGH THE VAGINA OF THE MOTHER; CONNECTING A SECOND ELECTRODE TO THE BODY OF THE MOTHER; AND CONNECTING INDICATING MEANS TO SAID ELECTRODES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |