US2971850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scavenger packet
Assignee: Bayer Corp
•
Filing: 1958-11-25
•
Granted: 1961-02-14
•
Expires: 1978-11-25
Abstract
No abstract record available.
Inventors
- 👤 Richard R Barton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:55
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/704; A23B2/708; A23B2/712; A23B2/717; A23B2/725; A23B2/729; A23B2/783; Y; Y10; Y10S; Y10S435/00; Y10S435/81
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A DEOXYGENATING BODY COMPRISING A LIQUID ENZYME SYSTEM HAVING GLUCOSE OXIDASE ACTIVITY AND A SUBSTRATE FOR SAID ENZYME SYSTEM, SAID DEOXYGENATING BODY BEING ENCLOSED IN A WATER-IMPERMEABLE, GAS-PERMEABLE MEMBRANE, SAID LIQUID ENZYME SYSTEM BEING SEPARATED FROM SAID SUBSTRATE BY SEPARATING MEANS INCLUDING A SEAL RUPTURABLE UPON APPLICATION OF PRESSURE TO SAID MEMBRANE.
Claim 2
Dependent Claim
52 words
A DEOXYGENATING BODY COMPRISING A LIQUID ENZYME SYSTEM HAVING GLUCOSE OXIDASE ACTIVITY AND A SUBSTRATE FOR SAID ENZYME SYSTEM, SAID DEOXYGENATING BODY BEING ENCLOSED IN A WATER-IMPERMEABLE, GAS-PERMEABLE MEMBRANE, SAID LIQUID ENZYME SYSTEM BEING SEPARATED FROM SAID SUBSTRATE BY SEPARATING MEANS INCLUDING A SEAL RUPTURABLE UPON APPLICATION OF PRESSURE TO SAID MEMBRANE.
References Cited (Backward Citations)
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Cited
US2245738A
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US2758934A
Cited
US2765233A
Cited
US2758932A
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US2825651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-14 | 1964-08-15 | 1965-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-14 | 1968-08-15 | 1969-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-14 | 1972-08-15 | 1973-02-14 | $7700.00 | Window Closed / Lapsed |