Patent US3208157A successfully refreshed from Google Patents.
US3208157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regeneration of adsorbents
Assignee: Phillips Petroleum Co
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Filing: 1961-09-20
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Granted: 1965-09-28
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Expires: 1981-09-20
Abstract
No abstract record available.
Inventors
- 👤 Christopher P Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:01
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/30; B01J20/34; B01J20/3408
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
APPARATUS COMPRISING, IN COMBINATION, AN ADSORPTION VESSEL CONTAINING AN ABSORBENT, A FIRST STORAGE VESSEL, FIRST CONDUIT MEANS COMMUNICATING BETWEEN SAID ABSORPTION VESSEL AND SAID FIRST STORAGE VESSEL, A HEAT EXCHANGE MEANS, SECOND CONDUIT MEANS COMMUNICATING BETWEEN SAID FIRST STORAGE VESSEL AND SAID HEAT EXCHANGE MEANS, THIRD CONDUIT MEANS COMMUNICATING BETWEEN SAID HEAT EXCHANGE MEANS AND SAID ABSORPTION VESSEL, A SECOND STORAGE VESSEL, FOURTH CONDUIT MEANS COMMUNICATING BETWEEN SAID FIRST CONDUIT MEANS AND SAID SECOND STORAGE
Claim 2
Dependent Claim
75 words
APPARATUS COMPRISING, IN COMBINATION, AN ADSORPTION VESSEL CONTAINING AN ABSORBENT, A FIRST STORAGE VESSEL, FIRST CONDUIT MEANS COMMUNICATING BETWEEN SAID ABSORPTION VESSEL AND SAID FIRST STORAGE VESSEL, A HEAT EXCHANGE MEANS, SECOND CONDUIT MEANS COMMUNICATING BETWEEN SAID FIRST STORAGE VESSEL AND SAID HEAT EXCHANGE MEANS, THIRD CONDUIT MEANS COMMUNICATING BETWEEN SAID HEAT EXCHANGE MEANS AND SAID ABSORPTION VESSEL, A SECOND STORAGE VESSEL, FOURTH CONDUIT MEANS COMMUNICATING BETWEEN SAID FIRST CONDUIT MEANS AND SAID SECOND STORAGE
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |