Patent US3273559A successfully refreshed from Google Patents.
US3273559A
Expired / Lapsed
US
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Method and apparatus for monitoring the approach of birth
Assignee: Conductron Corp
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Filing: 1963-08-28
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Granted: 1966-09-20
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Expires: 1983-08-28
Abstract
No abstract record available.
Inventors
- 👤 Evans Henry Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:14
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/43; A61B5/4306; A61B5/4343; A61B5/435; A61B5/103; A61B5/107; A61B5/1076
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A SYSTEM FOR INDICATING THE APPROACH OF CHILDBIRTH IN A FEMALE MAMMAL COMPRISING AN ELECTRICAL CIRCUIT INCLUDING FIRST AND SECOND ELEMENTS PHYSICALLY AND MECHANICALLY INDEPENDENT OF EACH OTHER FOR INSERTION IN THE VAGINAL CAVITY OF THE FEMALE AND CO-OPERABLE ELECTRICALLY WITH EACH OTHER TO CONTROL A MEASURABLE PARAMETER OF SUCH CIRCUIT AS A FUNCTION OF THE PROXIMITY OF SAID ELEMENTS TO EACH OTHER, MEANS ASSOCIATED WITH SAID ELEMENTS ADAPTED TO REMOVABLY ATTACH SAID FIRST ELEMENT TO ONE LIP OF THE CERVICAL OPENING OF THE FEMALE AND SAID SECOND ELEMENT TO THE OTHER LIP WITH NO PHYSICAL OR MECHANICAL ASSOCIATION BETWEEN THE ELEMENTS, AND TELEMETERING MEANS LOCATED EXTERNALLY OF THE FEMALE AND COUPLED TO SAID ELECTRICAL CIRCUIT FOR TRANSLATING VARIATIONS IN SAID PARAMETER INTO A SIGNAL FOR INDICATING THE SPACING OF SAID CERVICAL LIPS FROM EACH OTHER.
Claim 2
Independent Claim
136 words
A SYSTEM FOR INDICATING THE APPROACH OF CHILDBIRTH IN A FEMALE MAMMAL COMPRISING AN ELECTRICAL CIRCUIT INCLUDING FIRST AND SECOND ELEMENTS PHYSICALLY AND MECHANICALLY INDEPENDENT OF EACH OTHER FOR INSERTION IN THE VAGINAL CAVITY OF THE FEMALE AND CO-OPERABLE ELECTRICALLY WITH EACH OTHER TO CONTROL A MEASURABLE PARAMETER OF SUCH CIRCUIT AS A FUNCTION OF THE PROXIMITY OF SAID ELEMENTS TO EACH OTHER, MEANS ASSOCIATED WITH SAID ELEMENTS ADAPTED TO REMOVABLY ATTACH SAID FIRST ELEMENT TO ONE LIP OF THE CERVICAL OPENING OF THE FEMALE AND SAID SECOND ELEMENT TO THE OTHER LIP WITH NO PHYSICAL OR MECHANICAL ASSOCIATION BETWEEN THE ELEMENTS, AND TELEMETERING MEANS LOCATED EXTERNALLY OF THE FEMALE AND COUPLED TO SAID ELECTRICAL CIRCUIT FOR TRANSLATING VARIATIONS IN SAID PARAMETER INTO A SIGNAL FOR INDICATING THE SPACING OF SAID CERVICAL LIPS FROM EACH OTHER.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |