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Patent US3492787A successfully refreshed from Google Patents.
US3492787A
Expired / Lapsed
US
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Method and system for dehydrating gas streams
Assignee: Black Sivalls and Bryson Inc
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Filing: 1968-02-05
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Granted: 1970-02-03
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Expires: 1988-02-05
Abstract
No abstract record available.
Inventors
- 👤 Robert E Mcminn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:19
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/26; B01D53/263; B01D1/00; C; C10; C10G; C10G2300/00; C10G2300/10; C10G2300/1025
Claims Analysis
Total Claims: 0
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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) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |