US3348692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dryer with improved desiccant compressing spring
Assignee: Parker Hannifin Corp
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Filing: 1964-12-21
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Granted: 1967-10-24
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Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 Balogh Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:35
CPC Classifications
F; F25; F25B; F25B43/00; F25B43/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN COMBINATION WITH A TUBULAR DRYER CONTAINING A BEAD-TYPE DESICCANT AND MEANS FOR RETAINING SAID DESICCANT IN POSITION AT ONE END THEREOF, A PERFORATED BAFFLE AT THE OTHER END OF THE DESICCANT, AN ANNULAR RING FIXED IN SECURED ENGAGEMENT AGAINST THE INTERIOR SIDEWALL OF THE TUBULAR DRYER ADJACENT SAID BAFFLE, AND A SPRING FINGER CARRIED BY SAID RING ENGAGING SAID BAFFLE TO RETAIN THE SAME IN POSITION AT THE OTHER END OF THE DESICCANT.
Claim 2
Dependent Claim
74 words
IN COMBINATION WITH A TUBULAR DRYER CONTAINING A BEAD-TYPE DESICCANT AND MEANS FOR RETAINING SAID DESICCANT IN POSITION AT ONE END THEREOF, A PERFORATED BAFFLE AT THE OTHER END OF THE DESICCANT, AN ANNULAR RING FIXED IN SECURED ENGAGEMENT AGAINST THE INTERIOR SIDEWALL OF THE TUBULAR DRYER ADJACENT SAID BAFFLE, AND A SPRING FINGER CARRIED BY SAID RING ENGAGING SAID BAFFLE TO RETAIN THE SAME IN POSITION AT THE OTHER END OF THE DESICCANT.
References Cited (Backward Citations)
US2368193A
Cited
US2604316A
Cited
US2798718A
Cited
US2758719A
Cited
US2963744A
Cited
US3175342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |