US3236389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Layer cake separator
Assignee: Individual
•
Filing: 1964-12-14
•
Granted: 1966-02-22
•
Expires: 1984-12-14
Abstract
No abstract record available.
Inventors
- 👤 Robert M Murdock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:01
CPC Classifications
A; A21; A21B; A21B3/00; A47; A47G; A47G19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A LAYER CAKE SEPARATOR COMPRISING, IN COMBINATION: A PAIR OF MEMBERS, SAID MEMBERS INCLUDING OPPOSED ALIGNED SLOTS WHIC ARE MIRROR IMAGES OF EACH OTHER; AT LEAST ONE ELONGATED SPACING MEANS DISPOSED BETWEEN SAID MEMBERS TO HOLD SAID MEMBERS IN SPACED RELATIONSHIP TO THAT THE MEMBEERS MAY BE DISPOSED BETWEEN LAYERS OF A CAKE TO SUPPORT ONE LAYER ABOVE ANOTHER, SAID ELONGATED SPACING MEANS HAVING LOCKING MEANS AT ITS OPPOSITE ENDS FOR REMOVABLY SECURING SAID ELONGATED SPACING MEANS IN POSITION BETWEEN SAID MEMBERS, SAID LOCKING MEANS INCLUDING TAB MEANS RECEIVABLE IN SAID SLOTS AND ADAPTED TO BE LOCKED UNDER EDGE PORTION OF SAID SLOTS SIMULTANEOUSLY UPON A SINGLE ROTATION OF SAID ELONGATED SPACING MEANS AFTER POSITIONING SAID TABS THROUGH SAID SLOTS.
Claim 2
Dependent Claim
120 words
A LAYER CAKE SEPARATOR COMPRISING, IN COMBINATION: A PAIR OF MEMBERS, SAID MEMBERS INCLUDING OPPOSED ALIGNED SLOTS WHIC ARE MIRROR IMAGES OF EACH OTHER; AT LEAST ONE ELONGATED SPACING MEANS DISPOSED BETWEEN SAID MEMBERS TO HOLD SAID MEMBERS IN SPACED RELATIONSHIP TO THAT THE MEMBEERS MAY BE DISPOSED BETWEEN LAYERS OF A CAKE TO SUPPORT ONE LAYER ABOVE ANOTHER, SAID ELONGATED SPACING MEANS HAVING LOCKING MEANS AT ITS OPPOSITE ENDS FOR REMOVABLY SECURING SAID ELONGATED SPACING MEANS IN POSITION BETWEEN SAID MEMBERS, SAID LOCKING MEANS INCLUDING TAB MEANS RECEIVABLE IN SAID SLOTS AND ADAPTED TO BE LOCKED UNDER EDGE PORTION OF SAID SLOTS SIMULTANEOUSLY UPON A SINGLE ROTATION OF SAID ELONGATED SPACING MEANS AFTER POSITIONING SAID TABS THROUGH SAID SLOTS.
References Cited (Backward Citations)
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Cited
US949025A
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US2178166A
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US2347041A
Cited
US2902174A
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US2973871A
Cited
US3115253A
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |