Patent US3118742A successfully refreshed from Google Patents.
US3118742A
Expired / Lapsed
US
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Vacuum food press drier
Assignee: National Research Development Corp UK
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Filing: 1959-08-18
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Granted: 1964-01-21
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Expires: 1979-08-18
Abstract
No abstract record available.
Inventors
- 👤 Dalgleish James Mcnair
- 👤 Thompson Hugh Percy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:53
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/04; F26B5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
APPARATUS FOR PRESERVING FOODSTUFFS, COMPRISING A VACUUM CHAMBER, PLATE ELEMENTS OF EXPANDED METAL MESH WITH THE CORNERS OF SAID MESH FORMING PEAKS ON AT LEAST ONE SIDE OF EACH OF SAID PLATE ELEMENTS, BETWEEN WHICH PLATE ELEMENTS ARE SUPPORTED THE FOODSTUFFS TO BE TREATED AND WHICH PLATE ELEMENTS AND FOODSTUFFS ARE STACKED ONE ABOVE THE OTHER IN MULTI-SANDWICH FORM WITHIN THE SAID CHAMBER SO AS TO BE IN DIRECT CONTACT, EACH OF WHICH PLATE ELEMENTS IS ARRANGED TO CONTACT AT LEAST ONE LAYER OF FOODSTUFF ALONG SAID ONE SIDE, THE SAID PLATE ELEMENTS CONSTITUTING ELECTRICAL HEATING ELEMENTS FOR TRANSMITTING HEAT TO THE FOODSTUFFS AND MEAND FOR APPLYING MECHANICAL PRESSURE TO THE SAID PLATE ELEMENTS.
Claim 2
Dependent Claim
114 words
APPARATUS FOR PRESERVING FOODSTUFFS, COMPRISING A VACUUM CHAMBER, PLATE ELEMENTS OF EXPANDED METAL MESH WITH THE CORNERS OF SAID MESH FORMING PEAKS ON AT LEAST ONE SIDE OF EACH OF SAID PLATE ELEMENTS, BETWEEN WHICH PLATE ELEMENTS ARE SUPPORTED THE FOODSTUFFS TO BE TREATED AND WHICH PLATE ELEMENTS AND FOODSTUFFS ARE STACKED ONE ABOVE THE OTHER IN MULTI-SANDWICH FORM WITHIN THE SAID CHAMBER SO AS TO BE IN DIRECT CONTACT, EACH OF WHICH PLATE ELEMENTS IS ARRANGED TO CONTACT AT LEAST ONE LAYER OF FOODSTUFF ALONG SAID ONE SIDE, THE SAID PLATE ELEMENTS CONSTITUTING ELECTRICAL HEATING ELEMENTS FOR TRANSMITTING HEAT TO THE FOODSTUFFS AND MEAND FOR APPLYING MECHANICAL PRESSURE TO THE SAID PLATE ELEMENTS.
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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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |