Patent US3063259A successfully refreshed from Google Patents.
US3063259A
Expired / Lapsed
US
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Apparatus for filtering and dehydrating gases
Assignee: Hankison Corp
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Filing: 1960-11-14
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Granted: 1962-11-13
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Expires: 1980-11-14
Abstract
No abstract record available.
Inventors
- 👤 Lewis E Hankison
- 👤 Walker William Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:35
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
APPARATUS FOR FILTERING AND DEHYDRATING COMPRESSED GAS, COMPRISING, IN COMBINATION, A BASE, A SHELL CASING FOR SAID BASE, A CENTRAL SHAFT OPERATIVELY FIXED TO SAID BASE AND EXTENDING THROUGH THE TOP OF SAID CASING, MEANS FOR PRESSING SAID CASING AGAINST SAID BASE AND MAKING THE INTERIOR THEREOF GAS-TIGHT, AN ANNULAR CONDENSER SECTION OF HORIZONTAL SPIRAL SHAPE HAVING A WALL WITH HORIZONTALLY EX-
Claim 2
Dependent Claim
62 words
APPARATUS FOR FILTERING AND DEHYDRATING COMPRESSED GAS, COMPRISING, IN COMBINATION, A BASE, A SHELL CASING FOR SAID BASE, A CENTRAL SHAFT OPERATIVELY FIXED TO SAID BASE AND EXTENDING THROUGH THE TOP OF SAID CASING, MEANS FOR PRESSING SAID CASING AGAINST SAID BASE AND MAKING THE INTERIOR THEREOF GAS-TIGHT, AN ANNULAR CONDENSER SECTION OF HORIZONTAL SPIRAL SHAPE HAVING A WALL WITH HORIZONTALLY EX-
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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) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |