US3230734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unitary wall member for use in refrigeration apparatus
Assignee: Whirlpool Corp
•
Filing: 1963-07-25
•
Granted: 1966-01-25
•
Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 Alan J Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:57
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/04; F25D17/06; F25D17/062; F25D17/065; F25D23/00; F25D23/003; F25D2317/00; F25D2317/06; F25D2317/068; F25D2317/0683; F25D2400/00; F25D2400/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN A REFRIGERATION APPARATUS; AN EVAPORATOR; BLOWER MEANS; A CONDENSER; MEANS DEFINING A CHAMBER TO BE REFRIGERATED INCLUDING AN INSULATING WALL MEMBER FORMED OF A SINGLE PIECE OF INSULATING MATERIAL AND DEFINING (A) AN EVAPORATOR SPACE RECEIVING SAID EVAPORATOR, (B) A BLOWER SPACE RECEIVING SAID BLOWER MEANS, (C) A CONDENSER SPACE RECEIVING SAID CONDENSER, (D) DUCT MEANS DEFINED SUBSTANTIALLY FULLY BY SAID INSULATING MATERIAL FOR CONDUCTING AIR FROM SAID BLOWER TO SAID CHAMBER AND FROM SAID CHAMBER THROUGH SAID EVAPORATOR TO SAID BLOWER, AND (E) AN ACCESS OPENING TO SAID EVAPORATOR AND BLOWER SPACES; AND PANEL MEANS REMOVABLY CLOSING SAID ACCESS OPENING.
Claim 2
Dependent Claim
102 words
IN A REFRIGERATION APPARATUS; AN EVAPORATOR; BLOWER MEANS; A CONDENSER; MEANS DEFINING A CHAMBER TO BE REFRIGERATED INCLUDING AN INSULATING WALL MEMBER FORMED OF A SINGLE PIECE OF INSULATING MATERIAL AND DEFINING (A) AN EVAPORATOR SPACE RECEIVING SAID EVAPORATOR, (B) A BLOWER SPACE RECEIVING SAID BLOWER MEANS, (C) A CONDENSER SPACE RECEIVING SAID CONDENSER, (D) DUCT MEANS DEFINED SUBSTANTIALLY FULLY BY SAID INSULATING MATERIAL FOR CONDUCTING AIR FROM SAID BLOWER TO SAID CHAMBER AND FROM SAID CHAMBER THROUGH SAID EVAPORATOR TO SAID BLOWER, AND (E) AN ACCESS OPENING TO SAID EVAPORATOR AND BLOWER SPACES; AND PANEL MEANS REMOVABLY CLOSING SAID ACCESS OPENING.
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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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |