US3315492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous once through material treatment apparatus
Assignee: Frick Co Inc
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Filing: 1966-02-21
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Granted: 1967-04-25
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Expires: 1986-02-21
Abstract
No abstract record available.
Inventors
- 👤 Moshe Y Dreksler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:33
CPC Classifications
F; F25; F25D; F25D13/00; F25D13/06; F25D13/067; A; A23; A23B; A23B2/00; A23B2/80; A23B2/803; F25D25/00; F25D25/04; B; B65; B65G; B65G2207/00; B65G2207/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN COMBINATION WITH AN AIR CONDITIONING MEANS, AN APPARATUS FOR TREATING MATERIAL COMPRISING (A) WALL MEANS DEFINING A CHAMBER, (B) A PERFORATED, OPEN ENDED DRUM VERTICALLY SUPPORTED FOR ROTATION ABOUT ITS LONGITUDINAL AXIS WITHIN SAID CHAMBER, (C) AN ENDLESS, FLAT, FORAMINOUS CONVEYOR BELT, (D) A STATIONARY SUPPORT EXTERIORLY OF SAID DRUM CONSTRUCTED AND ARRANGED TO SUPPORT THE CONVEYER BELT SUBSTANTIALLY FLAT AND IN HELICAL PATH OF TRAVEL AROUND SAID DRUM, (E) LOADING MEANS FOR DELIVERING MATERIAL ONTO SAID CONVEYOR BELT; (F) UNLOADING MEANS FOR REMOVING MATERIAL FROM SAID CONVEYOR BELT AFTER BEING TREATED,
Claim 2
Dependent Claim
93 words
IN COMBINATION WITH AN AIR CONDITIONING MEANS, AN APPARATUS FOR TREATING MATERIAL COMPRISING (A) WALL MEANS DEFINING A CHAMBER, (B) A PERFORATED, OPEN ENDED DRUM VERTICALLY SUPPORTED FOR ROTATION ABOUT ITS LONGITUDINAL AXIS WITHIN SAID CHAMBER, (C) AN ENDLESS, FLAT, FORAMINOUS CONVEYOR BELT, (D) A STATIONARY SUPPORT EXTERIORLY OF SAID DRUM CONSTRUCTED AND ARRANGED TO SUPPORT THE CONVEYER BELT SUBSTANTIALLY FLAT AND IN HELICAL PATH OF TRAVEL AROUND SAID DRUM, (E) LOADING MEANS FOR DELIVERING MATERIAL ONTO SAID CONVEYOR BELT; (F) UNLOADING MEANS FOR REMOVING MATERIAL FROM SAID CONVEYOR BELT AFTER BEING TREATED,
References Cited (Backward Citations)
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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) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |