Patent US3100809A successfully refreshed from Google Patents.
US3100809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust hood
Assignee: Individual
•
Filing: 1961-08-22
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Granted: 1963-08-13
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Expires: 1981-08-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Isaac M Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:42
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/20; Y; Y10; Y10S; Y10S261/00; Y10S261/15; Y10S55/00; Y10S55/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
AN EXHAUST HOOD COMPRISING AN ENCLOSURE HAVING AN OPEN BOTTOM AND A BOTTOM EDGE, A STACK HAVING AN ELONGATED OPENING COMMUNICATING WITH THE INTERIOR OF SAID ENCLOSURE THROUGH THE TOP THEREOF, A LIQUID SPRAY PIPE IN THE STACK ADJACENT THE JUNCTURE OF THE ENCLOSURE AND THE STACK, A TROUGH SUPPORTED ON THE ENCLOSURE SPACED ADJACENT TO A PORTION OF THE BOTTOM EDGE, A PLURALITY OF REMOVABLY MOUNTED COLLECTION PANS DISPOSED IN SIDE BY SIDE RELATION SUPPORTED ON THE ENCLOSURE DIRECTLY BENEATH THE STACK OPENING ALONG THE LENGTH THEREOF AND ABOVE THE LEVEL OF SAID TROUGH, SAID PANS EACH HAVING A LENGTH AT LEAST EQUAL TO THE WIDTH OF SAID STACK OPENING TO CATCH THE LIQUID DISCHARGED FROM THE SPRAY PIPE, SAID PANS DECLINING TOWARD THE TROUGH AND HAVING THEIR LOWER EDGES OVERLYING AT LEAST A PORTION OF SAID TROUGH TO PERMIT THE PANS TO DRAIN INTO THE TROUGH AND A LIQUID DRAIN LINE FROM THE TROUGH.
Claim 2
Dependent Claim
156 words
AN EXHAUST HOOD COMPRISING AN ENCLOSURE HAVING AN OPEN BOTTOM AND A BOTTOM EDGE, A STACK HAVING AN ELONGATED OPENING COMMUNICATING WITH THE INTERIOR OF SAID ENCLOSURE THROUGH THE TOP THEREOF, A LIQUID SPRAY PIPE IN THE STACK ADJACENT THE JUNCTURE OF THE ENCLOSURE AND THE STACK, A TROUGH SUPPORTED ON THE ENCLOSURE SPACED ADJACENT TO A PORTION OF THE BOTTOM EDGE, A PLURALITY OF REMOVABLY MOUNTED COLLECTION PANS DISPOSED IN SIDE BY SIDE RELATION SUPPORTED ON THE ENCLOSURE DIRECTLY BENEATH THE STACK OPENING ALONG THE LENGTH THEREOF AND ABOVE THE LEVEL OF SAID TROUGH, SAID PANS EACH HAVING A LENGTH AT LEAST EQUAL TO THE WIDTH OF SAID STACK OPENING TO CATCH THE LIQUID DISCHARGED FROM THE SPRAY PIPE, SAID PANS DECLINING TOWARD THE TROUGH AND HAVING THEIR LOWER EDGES OVERLYING AT LEAST A PORTION OF SAID TROUGH TO PERMIT THE PANS TO DRAIN INTO THE TROUGH AND A LIQUID DRAIN LINE FROM THE TROUGH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |