US3236004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turntable element for toy building sets
Assignee: INTERLEGO A G ALPENSTRASSE
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Filing: 1964-01-23
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Granted: 1966-02-22
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Expires: 1984-01-23
Abstract
No abstract record available.
Inventors
- 👤 Christiansen Godtfred Kirk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:37
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/042; E; E21; E21D; E21D1/00; E21D1/10; E21D1/16; E21D20/00; E21D20/02; E21D20/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A TURNTABLE ELEMENT FOR TOY BUILDING SETS COMPRISING A PAIR OF CYLINDRICAL DISCS ARRANGED COAXIALLY ONE ON TOP OF THE OTHER, THE UNDERFACE OF THE UPPER DISC AND THE UPPER FACE OF THE LOWER DISC BEING PROVIDED WITH ANNULAR SLIDING FACES, AN ANNULAR GROOVE IN THE UNDERFACE OF SAID UPPER DISC, A CENTRAL CYLINDRICAL APERTURE IN THE LOWER DISC, AN ANNULAR PROJECTION ON SAID LOWER DISC EXTENDING RADIALLY INTO SAID APERTURE AND DEFINING AN ANNULAR CONTACT FACE AT THE UNDERSIDE OF SAID PROJECTION, A LOCKING MEANS COMPRISING A MEMBER WITH A RADIALLY EXTENDING LOCKING FLANGE AND AN AXIALLY EXTENDING ANNULAR FLANGE ADAPTED
Claim 2
Dependent Claim
102 words
A TURNTABLE ELEMENT FOR TOY BUILDING SETS COMPRISING A PAIR OF CYLINDRICAL DISCS ARRANGED COAXIALLY ONE ON TOP OF THE OTHER, THE UNDERFACE OF THE UPPER DISC AND THE UPPER FACE OF THE LOWER DISC BEING PROVIDED WITH ANNULAR SLIDING FACES, AN ANNULAR GROOVE IN THE UNDERFACE OF SAID UPPER DISC, A CENTRAL CYLINDRICAL APERTURE IN THE LOWER DISC, AN ANNULAR PROJECTION ON SAID LOWER DISC EXTENDING RADIALLY INTO SAID APERTURE AND DEFINING AN ANNULAR CONTACT FACE AT THE UNDERSIDE OF SAID PROJECTION, A LOCKING MEANS COMPRISING A MEMBER WITH A RADIALLY EXTENDING LOCKING FLANGE AND AN AXIALLY EXTENDING ANNULAR FLANGE ADAPTED
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) | 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 |