US3146606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making clear ice bodies
Assignee: Whirlpool Corp
•
Filing: 1961-09-06
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Granted: 1964-09-01
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Expires: 1981-09-06
Abstract
No abstract record available.
Inventors
- 👤 William H Grimes
- 👤 Francis R Scroop
- 👤 Jr Loyd P Shapleigh
- 👤 Samuel E Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:26
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/08; F25C2400/00; F25C2400/10; F25D; F25D17/00; F25D17/04; F25D17/06; F25D17/062; F25D17/065; F25D2317/00; F25D2317/06; F25D2317/066; F25D2317/0666; F25D2317/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
IN AN ICE MAKING APPARATUS, AN ICE FORMING MEANS COMPRISING: A ROTATABLE TUBULAR MEMBER, SAID TUBULAR MEMBER HAVING AN OUTER SURFACE AND AN INNER SURFACE; AN ICE FORMING MEMBER OF HIGH HEAT CONDUCTING MATERIAL ATTACHED TO SAID OUTER SURFACE, SAID ICE FORMING MEMBER INCLUDING A PAIR OF OPPOSITELY DISPOSED TRAPEZOIDAL FACE PORTIONS.
Claim 2
Dependent Claim
52 words
IN AN ICE MAKING APPARATUS, AN ICE FORMING MEANS COMPRISING: A ROTATABLE TUBULAR MEMBER, SAID TUBULAR MEMBER HAVING AN OUTER SURFACE AND AN INNER SURFACE; AN ICE FORMING MEMBER OF HIGH HEAT CONDUCTING MATERIAL ATTACHED TO SAID OUTER SURFACE, SAID ICE FORMING MEMBER INCLUDING A PAIR OF OPPOSITELY DISPOSED TRAPEZOIDAL FACE PORTIONS.
References Cited (Backward Citations)
US193831A
Cited
US2487408A
Cited
US2496210A
Cited
US2493149A
Cited
US2900804A
Cited
US2986013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |