US2825651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
In-package oxygen remover
Assignee: Carnation Co
•
Filing: 1957-07-01
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Granted: 1958-03-04
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Expires: 1977-07-01
Abstract
No abstract record available.
Inventors
- 👤 Ching C Loo
- 👤 William P Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:03
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/24; B65D81/26; B65D81/266; B65D81/268; A; A23; A23B; A23B11/00; A23B11/10; A23B11/102; A23B2/00; A23B2/70; A23B2/704; A23B2/708; A23B2/712; A23B2/717; B01; B01J; B01J19/00; B01J19/0006; B01J19/002; B65B; B65B25/00; B65B25/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
AN OXYGEN REMOVER COMPRISING AN INTIMATE INTERMIXTURE OF A SULFATE SALT WHICH WILL READILY OXIDIZE TO A SULFATE IN THE PRESENCE OF OXYGEN AND AN ACCELERATOR HAVING AN AVAILABLE METAL ION WHICH WILL REACT WITH THE SULFITE ION IN THE PRESENCE OF OXYGEN, AT LEAST ONE OF THESE REACTANTS HAVING ONE OR MORE MOLECULES OF WATER OF CYRSTALLIZATION.
Claim 2
Dependent Claim
58 words
AN OXYGEN REMOVER COMPRISING AN INTIMATE INTERMIXTURE OF A SULFATE SALT WHICH WILL READILY OXIDIZE TO A SULFATE IN THE PRESENCE OF OXYGEN AND AN ACCELERATOR HAVING AN AVAILABLE METAL ION WHICH WILL REACT WITH THE SULFITE ION IN THE PRESENCE OF OXYGEN, AT LEAST ONE OF THESE REACTANTS HAVING ONE OR MORE MOLECULES OF WATER OF CYRSTALLIZATION.
References Cited (Backward Citations)
US1584903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |