Patent US3202152A successfully refreshed from Google Patents.
US3202152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum extractor for childbirth
Assignee: Individual
•
Filing: 1963-03-08
•
Granted: 1965-08-24
•
Expires: 1983-03-08
Abstract
No abstract record available.
Inventors
- 👤 John F Wood
- 👤 Richard E Eby
- 👤 Theodore C Neward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:22
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/42; A61B17/44; A61B17/442
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
AN EXTRACTOR FOR CHILDBIRTH COMPRISING AN ELONGATED HOLLOW STEM OF STIFF MATERIAL HAVING AN OPENING AT ONE END THEREOF COMMUNICATING WITH THE INTERIOR OF THE STEM THAT ENABLES THE EVACUATION OF AIR FROM SAID EXTRACTOR THROUGH SAID STEM, A CUP OF STIFF MATERIAL HAVING AN OPEN MOUTH OVER THE FRONT THEREOF, SAID STEM BEING FIXEDLY JOINED TO THE BACK OF SAID CUP WITH THE INTERIOR OF THE CUP COMMUNICATING WITH THE INTERIOR OF THE STEM, AND A VACUUM-DISTRIBUTOR ELEMENT WITHIN SAID CUP, SAID ELEMENT INCLUDING A PLATE PORTION EXTENDING ACROSS THE CUP INWARDLY FROM THE MOUTH THEREOF, AND A STUD PORTION JOINED TO SAID PLATE PORTION EXTENDING INTO AND WEDGED WITHIN THE INTERIOR OF SAID STEM, SAID STUD PORTION INCLUDING MEANS ACCOMMODATING THE PASSAGE OF AIR OVER THE LENGTH THEREOF.
Claim 2
Dependent Claim
130 words
AN EXTRACTOR FOR CHILDBIRTH COMPRISING AN ELONGATED HOLLOW STEM OF STIFF MATERIAL HAVING AN OPENING AT ONE END THEREOF COMMUNICATING WITH THE INTERIOR OF THE STEM THAT ENABLES THE EVACUATION OF AIR FROM SAID EXTRACTOR THROUGH SAID STEM, A CUP OF STIFF MATERIAL HAVING AN OPEN MOUTH OVER THE FRONT THEREOF, SAID STEM BEING FIXEDLY JOINED TO THE BACK OF SAID CUP WITH THE INTERIOR OF THE CUP COMMUNICATING WITH THE INTERIOR OF THE STEM, AND A VACUUM-DISTRIBUTOR ELEMENT WITHIN SAID CUP, SAID ELEMENT INCLUDING A PLATE PORTION EXTENDING ACROSS THE CUP INWARDLY FROM THE MOUTH THEREOF, AND A STUD PORTION JOINED TO SAID PLATE PORTION EXTENDING INTO AND WEDGED WITHIN THE INTERIOR OF SAID STEM, SAID STUD PORTION INCLUDING MEANS ACCOMMODATING THE PASSAGE OF AIR OVER THE LENGTH THEREOF.
References Cited (Backward Citations)
US220330A
Cited
US1314409A
Cited
US809360A
Cited
US2227673A
Cited
DE840885C
Cited
US2702038A
Cited
DE1114278B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |