US2758719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydrator
Assignee: Ansul Chemical Co
•
Filing: 1953-01-22
•
Granted: 1956-08-14
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Expires: 1973-01-22
Abstract
No abstract record available.
Inventors
- 👤 Richard A Line
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:08
CPC Classifications
F; F25; F25B; F25B43/00; F25B43/003; Y; Y10; Y10S; Y10S210/00; Y10S210/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A DRIER UNIT FOR A REFRIGERATION LINE COMPRISING A UNITARY ASSEMBLY INCLUDING A TUBULAR SHELL, A FITTING REMOVABLY POSITIONED IN THE UPPER END OF SAID SHELL PROVIDED WITH INLET AND OUTLET PORTS, A CONNECTOR ELEMENT RETAINED IN SAID FITTING, A FORAMINOUS FILTER SCREEN SPACED FROM THE UPPER AND LOWER ENDS OF SAID SHELL, A DESICCANT POSITIONED BETWEEN SAID SCREENS, SAID SCREENS BEING PROVIDED WITH ALIGNED OPENINGS, A VERTICAL TUBE EXTENDING THROUGH SAID OPENINGS, THE LOWER END OF SAID TUBE OPENING INTO THE BOTTOM SPACE OF SAID SHELL, THE UPPER END OF SAID TUBE EXTENDING INTO SAID CONNECTOR ELEMENT AND ING
Claim 2
Dependent Claim
100 words
A DRIER UNIT FOR A REFRIGERATION LINE COMPRISING A UNITARY ASSEMBLY INCLUDING A TUBULAR SHELL, A FITTING REMOVABLY POSITIONED IN THE UPPER END OF SAID SHELL PROVIDED WITH INLET AND OUTLET PORTS, A CONNECTOR ELEMENT RETAINED IN SAID FITTING, A FORAMINOUS FILTER SCREEN SPACED FROM THE UPPER AND LOWER ENDS OF SAID SHELL, A DESICCANT POSITIONED BETWEEN SAID SCREENS, SAID SCREENS BEING PROVIDED WITH ALIGNED OPENINGS, A VERTICAL TUBE EXTENDING THROUGH SAID OPENINGS, THE LOWER END OF SAID TUBE OPENING INTO THE BOTTOM SPACE OF SAID SHELL, THE UPPER END OF SAID TUBE EXTENDING INTO SAID CONNECTOR ELEMENT AND ING
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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) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |