Patent US3206918A successfully refreshed from Google Patents.
US3206918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desiccators for drying air or other gases
Assignee: Lacy Hulbert and Co Ltd
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Filing: 1962-10-04
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Granted: 1965-09-21
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Expires: 1982-10-04
Abstract
No abstract record available.
Inventors
- 👤 Robinson Victor Snow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:48
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; B01D53/0407; B01D53/0438; B01D53/26; B01D53/261; B01D2253/00; B01D2253/10; B01D2253/104; B01D2253/106; B01D2257/00; B01D2257/80; B01D2259/00; B01D2259/40; B01D2259/402
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A DESICCATOR FOR DRYING A COMPRESSED GAS, COMPRISING A CONTAINER HAVING AN INLET AND AN OUTLET FOR COMPRESSED GAS, MENS FOR CLOSING SAID INLET AND OUTLET, A REACTIVATABLE DESICCANT HELD IN SAID CONTAINER AND THROUGH WHICH A COMPRESSED GAS IS TO BE PASSED FOR DRYING, AND REACTIVATING MEANS FOR THE DESICCANT INCLUDING A VACUUM PUMP, A VACUUM LINE HAVING A VALVE CONNECTING SAID PUMP TO SAID CONTAINER TO MAINTAIN A VACUUM THEREIN UPON OPENING OF SAID VALVE AND CLOSING OF SAID INLET AND OUTLET MEANS, AND A DUCT CONNECTING THE EXHAUST OF THE VACUUM PUMP TO ATMOSPHERE AND ARRANGED IN HEAT EXCHANGE RELATION TO THE DESICCANT IN SAID CONTAINER SO THAT EXHAUST GAS FROM THE VACUUM UMP INDIRECTLY HEATS THE DESICCANT WHEN THE PUMP IS OPERATED.
Claim 2
Dependent Claim
126 words
A DESICCATOR FOR DRYING A COMPRESSED GAS, COMPRISING A CONTAINER HAVING AN INLET AND AN OUTLET FOR COMPRESSED GAS, MENS FOR CLOSING SAID INLET AND OUTLET, A REACTIVATABLE DESICCANT HELD IN SAID CONTAINER AND THROUGH WHICH A COMPRESSED GAS IS TO BE PASSED FOR DRYING, AND REACTIVATING MEANS FOR THE DESICCANT INCLUDING A VACUUM PUMP, A VACUUM LINE HAVING A VALVE CONNECTING SAID PUMP TO SAID CONTAINER TO MAINTAIN A VACUUM THEREIN UPON OPENING OF SAID VALVE AND CLOSING OF SAID INLET AND OUTLET MEANS, AND A DUCT CONNECTING THE EXHAUST OF THE VACUUM PUMP TO ATMOSPHERE AND ARRANGED IN HEAT EXCHANGE RELATION TO THE DESICCANT IN SAID CONTAINER SO THAT EXHAUST GAS FROM THE VACUUM UMP INDIRECTLY HEATS THE DESICCANT WHEN THE PUMP IS OPERATED.
References Cited (Backward Citations)
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US1906917A
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US2254799A
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |