Patent US3773045A successfully refreshed from Google Patents.
US3773045A
Expired / Lapsed
US
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Marked breathing bag
Assignee: Mohawk Exchange and Commissions Inc
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Filing: 1971-12-20
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Granted: 1973-11-20
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Expires: 1991-12-20
Abstract
Abstract A breathing bag used in the anesthetizing process during surgical or like operations consisting of an elongated flexible bag marked with markings of a color that contrasts with the color of the bag. The markings are so colored and arranged that the individual administering the anetsthetic can easily tell by glancing at the bag whether or not the bag is expanding and contracting thereby easily ascertaining whether or not the anesthetized patient is breathing to the operator''s satisfaction.
Inventors
- 👤 A Boba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:53
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/0057; A61M16/0078
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
100 words
A marked breathing bag comprising a flexible expansible and contractible elongated elliptical shaped black opaque breathing bag having two flat sides joined by two inwardly folding sides which is adapted to expand and contract in use having a plurality of external markings spaced apart from each other thereon, said markings being polygonal in shape and disposed on said flat sides and on said folding sides and being of a light color which contrasts with the color of the bag and disposed centrally of the two ends of the bag so as to indicate when said bag is contracting and expanding.
Claim 2
Dependent Claim
100 words
A marked breathing bag comprising a flexible expansible and contractible elongated elliptical shaped black opaque breathing bag having two flat sides joined by two inwardly folding sides which is adapted to expand and contract in use having a plurality of external markings spaced apart from each other thereon, said markings being polygonal in shape and disposed on said flat sides and on said folding sides and being of a light color which contrasts with the color of the bag and disposed centrally of the two ends of the bag so as to indicate when said bag is contracting and expanding.
Claim 3
Dependent Claim
42 words
A marked breathing bag in accordance with claim 1, wherein said markings are individual, discrete white polygons having a distinct border and forming a sharp demarcation line with the bag, and wherein each marking is disposed wholly on one of the sides.
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) | 1976-11-19 | 1977-05-21 | 1977-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-19 | 1981-05-21 | 1981-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-19 | 1985-05-21 | 1985-11-20 | $7700.00 | Window Closed / Lapsed |