Patent US3155751A successfully refreshed from Google Patents.
US3155751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making an insulated structure
Assignee: Whirlpool Corp
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Filing: 1960-11-07
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Granted: 1964-11-03
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Expires: 1980-11-07
Abstract
No abstract record available.
Inventors
- 👤 Carl R Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:58
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/35; B29C44/351; B29C44/02; B29C44/12; B29C44/1228; B29C44/1242; F; F25; F25D; F25D23/00; F25D23/06; F25D23/062; F25D23/064; B29L; B29L2031/00; B29L2031/762; B29L2031/7622; Y; Y10; Y10S; Y10S425/00; Y10S425/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
THE METHOD OF MAKING AN INSULATED CABINET, COMPRISING THE STEPS OF: SUPPORTING A FIRST ENCLOSURE HAVING AN OPEN PORTION WITH THE OPEN PORTION UPPERMOST; DEPOSITING IN THE LOWER PORTION OF THE ENCLOSURE A QUANTITY OF FOAMABLE MATERIAL WHICH EXPANDS AND SETS TO FORM AN INSULATIVE BODY; DISPOSING A SECOND, SMALLER ENCLOSURE WITHIN THE FIRST ENCLOSURE WITH THE WALLS OF THE ENCLOSURES IN PRESELECTED SPACED RELATIONSHIP TO PROVIDE AN INSULATING SPACE; CLOSING THE SPACE BETWEEN THE ENCLOSURE AT SAID OPEN PORTION WITH A YIELDABLE CLOSURE MEMBER; RETAINING THE ENCLOSURES IN SUCH RELATIONSHIP FOR A PERIOD OF TIME PERMITTING THE MATERIAL TO FOAM, EXPAND INTO SAID SPACE AND BECOME SET AGAINST SAID CLOSURE MEMBER, SAID CLOSURMEMER BEING ANTI-ADHERENT TO SAID FOAM MATERIAL; AND REMOVING SAID CLOSURE MEMBER AFTER EXPANSION OF SAID MATERIAL THEREAGAINST.
Claim 2
Independent Claim
131 words
THE METHOD OF MAKING AN INSULATED CABINET, COMPRISING THE STEPS OF: SUPPORTING A FIRST ENCLOSURE HAVING AN OPEN PORTION WITH THE OPEN PORTION UPPERMOST; DEPOSITING IN THE LOWER PORTION OF THE ENCLOSURE A QUANTITY OF FOAMABLE MATERIAL WHICH EXPANDS AND SETS TO FORM AN INSULATIVE BODY; DISPOSING A SECOND, SMALLER ENCLOSURE WITHIN THE FIRST ENCLOSURE WITH THE WALLS OF THE ENCLOSURES IN PRESELECTED SPACED RELATIONSHIP TO PROVIDE AN INSULATING SPACE; CLOSING THE SPACE BETWEEN THE ENCLOSURE AT SAID OPEN PORTION WITH A YIELDABLE CLOSURE MEMBER; RETAINING THE ENCLOSURES IN SUCH RELATIONSHIP FOR A PERIOD OF TIME PERMITTING THE MATERIAL TO FOAM, EXPAND INTO SAID SPACE AND BECOME SET AGAINST SAID CLOSURE MEMBER, SAID CLOSURMEMER BEING ANTI-ADHERENT TO SAID FOAM MATERIAL; AND REMOVING SAID CLOSURE MEMBER AFTER EXPANSION OF SAID MATERIAL THEREAGAINST.
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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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |