Patent US5192313A successfully refreshed from Google Patents.
US3288894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of insulating a hollow-walled cabinet which includes using uniformly distributed and spread microwaves for heating
Assignee: Motors Liquidation Co
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Filing: 1963-08-26
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Granted: 1966-11-29
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Expires: 1983-08-26
Abstract
No abstract record available.
Inventors
- 👤 Homer W Deaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:06
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/1228; B29C44/1242; F; F25; F25D; F25D23/00; F25D23/06; F25D23/062; F25D23/064
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
THE METHOD OF INSULATING A HOLLOW WALLED CABINET HAVING SPACED INNER AND OUTER METAL SIDE AND TOP AND BOTTOM AND REAR WALLS WITH AN OPEN SIDE SPACED RIMS BORDENING THE OPEN SIDE WHICH INCLUDES INTRODUCING PLASTIC RESIN FOAM FORMING MATERIALS IN BETWEEN THE INNER AND OUTER WALLS, FITTING TO SAID SPACED INNER AND OUTER WALLS CLOSELY ADJACENT SAID SPACED RIMS A METAL FLAT SIDED DIVERGING WAVE GUIDE WITH THE FLAT SIDES THEREOF SUBSTANTIALLY IN ALIGNMENT WITH THE SPACE BETWEEN AND SUBSTANTIALLY PARALLEL TO THE INNER AND OUTER SIDE WALLS ADJACENT SAID OPEN SIDE, AND WHILE THE FOAM FORMING MATERIAL REACT DIRECTING WAVE ENERGY OF BETWEEN 107 AND 1013 CYCLES PER SECOND THROUGH THE WAVE GUIDE BETWEEN SAID SPACED RIMS INTO THE SPACE BETWEEN THE INNER AND OUTER WALLS TO OBTAIN AN ADEQUATE SPREADING AND UNIFORM DISTRIBUTION OF THE MICROWAVES WITHIN THE SPACE BETWEEN SAID WALLS TO TREAT AND ACCELERATE THE FOAMING OF THE FOAM FORMING MATERIALS BETWEEN THE WALLS.
Claim 2
Independent Claim
159 words
THE METHOD OF INSULATING A HOLLOW WALLED CABINET HAVING SPACED INNER AND OUTER METAL SIDE AND TOP AND BOTTOM AND REAR WALLS WITH AN OPEN SIDE SPACED RIMS BORDENING THE OPEN SIDE WHICH INCLUDES INTRODUCING PLASTIC RESIN FOAM FORMING MATERIALS IN BETWEEN THE INNER AND OUTER WALLS, FITTING TO SAID SPACED INNER AND OUTER WALLS CLOSELY ADJACENT SAID SPACED RIMS A METAL FLAT SIDED DIVERGING WAVE GUIDE WITH THE FLAT SIDES THEREOF SUBSTANTIALLY IN ALIGNMENT WITH THE SPACE BETWEEN AND SUBSTANTIALLY PARALLEL TO THE INNER AND OUTER SIDE WALLS ADJACENT SAID OPEN SIDE, AND WHILE THE FOAM FORMING MATERIAL REACT DIRECTING WAVE ENERGY OF BETWEEN 107 AND 1013 CYCLES PER SECOND THROUGH THE WAVE GUIDE BETWEEN SAID SPACED RIMS INTO THE SPACE BETWEEN THE INNER AND OUTER WALLS TO OBTAIN AN ADEQUATE SPREADING AND UNIFORM DISTRIBUTION OF THE MICROWAVES WITHIN THE SPACE BETWEEN SAID WALLS TO TREAT AND ACCELERATE THE FOAMING OF THE FOAM FORMING MATERIALS BETWEEN THE WALLS.
References Cited (Backward Citations)
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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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |