Patent US3208506A successfully refreshed from Google Patents.
US3208506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Splash guard-mist extractor
Assignee: Blaw Knox Co
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Filing: 1962-03-05
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Granted: 1965-09-28
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Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 John W Angstadt
- 👤 Frederick H Ehlert
- 👤 James P Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:45
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/02; A23L2/08; A23L2/10; A23B; A23B2/00; A23B2/90; A23B2/94; A23B2/945; A23F; A23F3/00; A23F3/16; A23F3/22; A23F3/225; F; F26; F26B; F26B17/00; F26B17/28; F26B17/284
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
IN A DOUBLE DRUM VACUUM DRYER HAVING A PAIR OF PARALLEL HORIZONTAL DRYING DRUMS WHICH HAVE THIER OPPOSING SIDES IN CLOSELY SPACED RELATION TO EACH OTHER TO FORM A BITE AND A VALLEY THEREBETWEEN, AND BOARDS AT THE OPPOSITE ENDS OF SAID DRUMS TO CONFINE A POOL OF THE LIQUID TO BE DRIED IN SAID VALLEY, MEANS ROTATING SAID DRUMS TO MOVE THEIR UPPER SURFACES FORMING SAID VALLEY DOWNWARDLY THROUGH SAID POOL TO FORM LAYERS OF LIQUID ON SAID DRUMS ON PASSING SAID BITE, DOCTOR BLADES ARRANGED TO REMOVE SAID LAYERS FROM RISING SURFACES OF SAID DRUMS, AND A VACUUM SHALL ARRANGED TO FORM A VACUUM CHAMBER AROUND AND TO MAINTAIN SAID DRUMS AND VALLEY IN A VACUUM; THE COMBINATION THEREWITH OF A SPLASH GUARD-MIST EXTRACTOR FOR RETURNING TO SAID POOL LIQUID SPASHING FROM SAID POOL OR BEING CARRIED AWAY WITH THE VAPOR THEREFROM, COMPRISING SUBSTANTIALLY VERTICAL HORIZONTALLY EXTENDING BATS OF INTERTWINED WIRE ARRANGED IN SAID VACUUM CHAMBER ABOVE THE LEVEL OF AND ALONG OPPOSITE SIDES OF SAID POOL AND EACH EXTENDING SUBSTANTIALLY THE FULL LENGTH OF THE CORRESPONDING DRUM ALONG THE DOWNWARDLY MOVING UPPER SURFACE THEREOF, THE LIQUID SPLASHED ONTO SAID BATS SLUMPING DOWNWARDLY THERETHROUGH ONTO SAID DOWNWARDLY MOVING UPPER SURFACES OF
Claim 2
Dependent Claim
203 words
IN A DOUBLE DRUM VACUUM DRYER HAVING A PAIR OF PARALLEL HORIZONTAL DRYING DRUMS WHICH HAVE THIER OPPOSING SIDES IN CLOSELY SPACED RELATION TO EACH OTHER TO FORM A BITE AND A VALLEY THEREBETWEEN, AND BOARDS AT THE OPPOSITE ENDS OF SAID DRUMS TO CONFINE A POOL OF THE LIQUID TO BE DRIED IN SAID VALLEY, MEANS ROTATING SAID DRUMS TO MOVE THEIR UPPER SURFACES FORMING SAID VALLEY DOWNWARDLY THROUGH SAID POOL TO FORM LAYERS OF LIQUID ON SAID DRUMS ON PASSING SAID BITE, DOCTOR BLADES ARRANGED TO REMOVE SAID LAYERS FROM RISING SURFACES OF SAID DRUMS, AND A VACUUM SHALL ARRANGED TO FORM A VACUUM CHAMBER AROUND AND TO MAINTAIN SAID DRUMS AND VALLEY IN A VACUUM; THE COMBINATION THEREWITH OF A SPLASH GUARD-MIST EXTRACTOR FOR RETURNING TO SAID POOL LIQUID SPASHING FROM SAID POOL OR BEING CARRIED AWAY WITH THE VAPOR THEREFROM, COMPRISING SUBSTANTIALLY VERTICAL HORIZONTALLY EXTENDING BATS OF INTERTWINED WIRE ARRANGED IN SAID VACUUM CHAMBER ABOVE THE LEVEL OF AND ALONG OPPOSITE SIDES OF SAID POOL AND EACH EXTENDING SUBSTANTIALLY THE FULL LENGTH OF THE CORRESPONDING DRUM ALONG THE DOWNWARDLY MOVING UPPER SURFACE THEREOF, THE LIQUID SPLASHED ONTO SAID BATS SLUMPING DOWNWARDLY THERETHROUGH ONTO SAID DOWNWARDLY MOVING UPPER SURFACES OF
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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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |