US1523916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating liquids from gases or for the drying of air and gases, particularly applicable as a steam drier
Assignee: Individual
•
Filing: 1923-11-22
•
Granted: 1925-01-20
•
Expires: 1943-11-22
Abstract
No abstract record available.
Inventors
- 👤 Tompkins Albert Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:54
CPC Classifications
B; B04; B04C; B04C3/00; F; F22; F22B; F22B37/00; F22B37/02; F22B37/26; F22B37/32; Y; Y10; Y10S; Y10S55/00; Y10S55/23
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) | 1928-01-20 | 1928-07-21 | 1929-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-01-20 | 1932-07-21 | 1933-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-01-20 | 1936-07-21 | 1937-01-20 | $7700.00 | Window Closed / Lapsed |