Patent US4817222A successfully refreshed from Google Patents.
US3285155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded vent hood including a movable closure therein
Assignee: Individual
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Filing: 1965-01-14
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Granted: 1966-11-15
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Expires: 1985-01-14
Abstract
No abstract record available.
Inventors
- 👤 Martin S Maltenfort
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:54
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/08; F24F13/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A VENT HOOD INCLUDING IN A SINGLE UNITARY BLOW MOLDED RESIN PRODUCT: A VENT HOOD; A MOUNTING PLATE INTEGRAL WITH AND EXTENDING AROUND THE PERIMETER OF THE VENT HOOD; A THREADED EXTENSION EXTENDING REARWARDLY FROM A CENTRALLY LOCATED OPENING IN SAID MOUNTING PLATE ADAPTED TO THREADEDLY ENGAGE A HOSE TO BE ATTACHED THERETO; AND MEANS TO SUPPORT A MOVEABLE CLOSURE FOR SAID CENTRALLY LOCATED OPENING, SAID LAST NAMED MEANS BEING PIN SHAPED EXTENSIONS EXTENDING FROM AND INTEGRAL WITH SAID MOUNTING PLATE, EACH EXTENSION HAVING A KNOB AT ITS OUTER EXTREMITY.
Claim 2
Dependent Claim
90 words
A VENT HOOD INCLUDING IN A SINGLE UNITARY BLOW MOLDED RESIN PRODUCT: A VENT HOOD; A MOUNTING PLATE INTEGRAL WITH AND EXTENDING AROUND THE PERIMETER OF THE VENT HOOD; A THREADED EXTENSION EXTENDING REARWARDLY FROM A CENTRALLY LOCATED OPENING IN SAID MOUNTING PLATE ADAPTED TO THREADEDLY ENGAGE A HOSE TO BE ATTACHED THERETO; AND MEANS TO SUPPORT A MOVEABLE CLOSURE FOR SAID CENTRALLY LOCATED OPENING, SAID LAST NAMED MEANS BEING PIN SHAPED EXTENSIONS EXTENDING FROM AND INTEGRAL WITH SAID MOUNTING PLATE, EACH EXTENSION HAVING A KNOB AT ITS OUTER EXTREMITY.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |