Patent US2200980A successfully refreshed from Google Patents.
US2200980A
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Method and apparatus for eliminating moisture from gas or air
Assignee: Brassert & Co
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Filing: 1938-10-24
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Granted: 1940-05-14
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Expires: 1958-10-24
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Boynton
- 👤 Gilbert D Dill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:35
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/26; B01D47/00; B01D47/06; F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F2003/144; F24F6/00; F24F6/12; F24F6/14; F24F2006/146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-05-14 | 1943-11-13 | 1944-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-14 | 1947-11-13 | 1948-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-14 | 1951-11-13 | 1952-05-14 | $7700.00 | Window Closed / Lapsed |