US3205049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for providing a controlled atmosphere
Assignee: Whirlpool Corp
•
Filing: 1962-07-30
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Granted: 1965-09-07
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Expires: 1982-07-30
Abstract
No abstract record available.
Inventors
- 👤 James W Lannert
- 👤 Rolf I Ranum
- 👤 William I Tibbitts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:50
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/704; A23B2/7045; B; B01; B01J; B01J19/00; B01J19/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
APPARATUS FOR PROVIDING A CONTROLLED ATMOSPHERE SUITABLE FOR PRESERVATION OF ANIMAL AND VEGETABLE PRODUCTS, COMPRISING: MEANS FOR GENERATING AN ATMOSPHERE COMPRISING OXYGEN, CARBON DIOXIDE AND INERT GASES; APPARATUS FOR REMOVING AND RETAINING CARBON DIOXIDE FROM SAID ATMOSPHERE; MEANS FORMING A STORAGE CHAMBER; TIMER MEANS; AND MEANS CONTROLLED BY SIAD TIMER MEANS AND COMMUNICATING WITH SAID GENERATING MEANS, WITH SAID REMOVING APPARATUS AND WITH SAID STORAGE CHAMBER FOR DIRECTING SAID ATMOSPHERE FROM SAID GENERATING MEANS
Claim 2
Dependent Claim
74 words
APPARATUS FOR PROVIDING A CONTROLLED ATMOSPHERE SUITABLE FOR PRESERVATION OF ANIMAL AND VEGETABLE PRODUCTS, COMPRISING: MEANS FOR GENERATING AN ATMOSPHERE COMPRISING OXYGEN, CARBON DIOXIDE AND INERT GASES; APPARATUS FOR REMOVING AND RETAINING CARBON DIOXIDE FROM SAID ATMOSPHERE; MEANS FORMING A STORAGE CHAMBER; TIMER MEANS; AND MEANS CONTROLLED BY SIAD TIMER MEANS AND COMMUNICATING WITH SAID GENERATING MEANS, WITH SAID REMOVING APPARATUS AND WITH SAID STORAGE CHAMBER FOR DIRECTING SAID ATMOSPHERE FROM SAID GENERATING MEANS
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |