Patent US3276193A successfully refreshed from Google Patents.
US3276193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eliminator plate assembly for air washers
Assignee: Grinnell Corp
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Filing: 1964-01-06
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Granted: 1966-10-04
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Expires: 1984-01-06
Abstract
No abstract record available.
Inventors
- 👤 Charles F Lamb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:46
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/04; B01D45/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
IN AN AIR WASHER AND SIMILAR APPARATUS HAVING A PLURALITY OF SIMILAR ZIG-ZAG ELIMINATOR BLADES EACH WITH FRONT AND REAR TURNED EDGE PORTIONS HAVING FRINGE MEMBERS SPACED FROM THE MAIN BODY OF THE BLADE, MEANS FOR RETAINING SAID BLADES AS AN INTEGRAL REMOVABLE UNIT WITH THE FRONT AND REAR EDGES LYING IN PARALLEL PLANES IN CLOSELY SPACED PARALLEL RELATION TO FORM TORTUOUS AIR PASSAGES THEREBETWEEN, SAID MEANS COMPRISING A SOLE RETAINING MEANS FIXEDLY SECURED TO SAID BLADES AND INCLUDING: (A) A PLURALITY OF ELONGATE MEMBERS; AT LEAST ONE OF EACH BEING AT THE FRONT OF SAID BLADES AND AT LEAST ONE OF EACH BEING AT THE REAR OF SAID BLADES, (B) EACH ELONGATE MEMBER HAVING A WEB PORTION EXTENDING SUBSTANTIALLY AT RIGHT ANGLES TO EACH OUTER EDGE OF EACH BLADE, (C) A PLURALITY OF INWARDLY DIRECTED CLOSELY SPACED FULCRUM MEANS JOINED TO EACH WEB PORTION, (1) A FULCRUM MEANS ENGAGING THE INTERIOR PORTION OF A TURNED EDGE PORTION OF EACH BLADE BETWEEN THE FRINGE MEMBER AND THE MAIN BODY OF THE BLADE, (D) MEANS FOR RELEASABLY RETAINING EACH OF SAID FULCRUM MEANS IN FIRM ENGAGEMENT WITH SAID INTERIOR PORTION,
Claim 2
Dependent Claim
189 words
IN AN AIR WASHER AND SIMILAR APPARATUS HAVING A PLURALITY OF SIMILAR ZIG-ZAG ELIMINATOR BLADES EACH WITH FRONT AND REAR TURNED EDGE PORTIONS HAVING FRINGE MEMBERS SPACED FROM THE MAIN BODY OF THE BLADE, MEANS FOR RETAINING SAID BLADES AS AN INTEGRAL REMOVABLE UNIT WITH THE FRONT AND REAR EDGES LYING IN PARALLEL PLANES IN CLOSELY SPACED PARALLEL RELATION TO FORM TORTUOUS AIR PASSAGES THEREBETWEEN, SAID MEANS COMPRISING A SOLE RETAINING MEANS FIXEDLY SECURED TO SAID BLADES AND INCLUDING: (A) A PLURALITY OF ELONGATE MEMBERS; AT LEAST ONE OF EACH BEING AT THE FRONT OF SAID BLADES AND AT LEAST ONE OF EACH BEING AT THE REAR OF SAID BLADES, (B) EACH ELONGATE MEMBER HAVING A WEB PORTION EXTENDING SUBSTANTIALLY AT RIGHT ANGLES TO EACH OUTER EDGE OF EACH BLADE, (C) A PLURALITY OF INWARDLY DIRECTED CLOSELY SPACED FULCRUM MEANS JOINED TO EACH WEB PORTION, (1) A FULCRUM MEANS ENGAGING THE INTERIOR PORTION OF A TURNED EDGE PORTION OF EACH BLADE BETWEEN THE FRINGE MEMBER AND THE MAIN BODY OF THE BLADE, (D) MEANS FOR RELEASABLY RETAINING EACH OF SAID FULCRUM MEANS IN FIRM ENGAGEMENT WITH SAID INTERIOR PORTION,
References Cited (Backward Citations)
US2643736A
Cited
US2752005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |