US3443785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice cube tray
Assignee: Westinghouse Electric Corp
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Filing: 1966-11-15
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Granted: 1969-05-13
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Expires: 1986-11-15
Abstract
No abstract record available.
Inventors
- 👤 Gerald M Ewers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:58
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/22; F25C1/24; F25C1/243; F25C2500/00; F25C2500/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
AN ICE TRAY COMPRISING: A CUBE-FREEZING LOWER SECTION HAVING A SERIES OF UPWARDLY-OPEN CUBE MOLDS ENCOMPASSED BY AN UPPERFACE PERIMETRIC RIM, SAID LOWER SECTION BEING CONSTRUCTED OF A MATERIAL SUFFICIENTLY FLEXIBLE TO PERMIT MANUAL RACKING FOR RELEASING FROZEN CUBES FROM SAID CUBE MOLDS; AND AN UPPER SECTION, ALSO OF A FLEXIBLE MATERIAL, INCLUDING THREE CLOSED WALL SIDES, A FOURTH OPEN-FACE SIDE, AND A TOP WALL OVERLYING ONLY A PART OF SAID LOWER SECTION, SAID THREE WALLS HAVING THEIR LOWER EDGES CONNECTING SAID PERIMETRIC RIM IN A WATER SEALING RELATION, SAID OPEN-FACE SIDE FORMING THE MOUTH OF AN UPWARDLY-OPEN, GENERALLY POCKET-SHAPED VESSEL FOR RECEIVING WATER FORMED BETWEEN SAID UPPER AND LOWER SECTIONS WHEN SAID TRAY IS POSITIONED IN A GENERALLY UPRIGHT POSITION FOR FILLING, SAID MOUTH OVERLYING THE MOLD AREA OF SAID LOWER SECTION.
Claim 2
Dependent Claim
133 words
AN ICE TRAY COMPRISING: A CUBE-FREEZING LOWER SECTION HAVING A SERIES OF UPWARDLY-OPEN CUBE MOLDS ENCOMPASSED BY AN UPPERFACE PERIMETRIC RIM, SAID LOWER SECTION BEING CONSTRUCTED OF A MATERIAL SUFFICIENTLY FLEXIBLE TO PERMIT MANUAL RACKING FOR RELEASING FROZEN CUBES FROM SAID CUBE MOLDS; AND AN UPPER SECTION, ALSO OF A FLEXIBLE MATERIAL, INCLUDING THREE CLOSED WALL SIDES, A FOURTH OPEN-FACE SIDE, AND A TOP WALL OVERLYING ONLY A PART OF SAID LOWER SECTION, SAID THREE WALLS HAVING THEIR LOWER EDGES CONNECTING SAID PERIMETRIC RIM IN A WATER SEALING RELATION, SAID OPEN-FACE SIDE FORMING THE MOUTH OF AN UPWARDLY-OPEN, GENERALLY POCKET-SHAPED VESSEL FOR RECEIVING WATER FORMED BETWEEN SAID UPPER AND LOWER SECTIONS WHEN SAID TRAY IS POSITIONED IN A GENERALLY UPRIGHT POSITION FOR FILLING, SAID MOUTH OVERLYING THE MOLD AREA OF SAID LOWER SECTION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |