US3196579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic building elements with protective means
Assignee: BELI FINANZ GmbH
•
Filing: 1962-11-30
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Granted: 1965-07-27
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Expires: 1982-11-30
Abstract
No abstract record available.
Inventors
- 👤 Lepper Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:03
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/046; Y; Y10; Y10S; Y10S52/00; Y10S52/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A TOY BUILDING BLOCK COMPRISING, A FRAME OF NON-MAGNETIC MATERIAL, A PERMANENT MAGNET PLATE SECURED WITHIN SAID FRAME, A GRID STRUCTURE OF NON-MAGNETIC MATERIAL OVERLYING SAID PERMANENT MAGNET PLATE, SAID PERMANENT MAGNET PLATE AND GRID STRUCTURE TOGETHER FORMING ONE EXTERIOR FACE OF SAID BLOCK, SAID FRAME AND GRID STRUCTURE TOGETHER CONSTITUTING MEANS PROTECTING SAID PLATE FROM BLOWS AND ABRASION, AN ELEMENT HAVING A WAFFLE-LIKE EXTERIOR SURFACE SECURED WITHIN SAID FRAME SURFACE PROVIDING A FACE OF SAID BLOCK POSITIONED OPPOSITELY TO SAID ONE FACE, SAID ELEMENT BEING OF A MATERIAL AND SHAPE TO CONSTITUTE MEANS WHICH IS MAGNETICALLY ATTRACTED TO SAID PERMANENT MAGNET PLATE AND WHICH WILL MATE WITH AN OPPOSED SAID ONE FACE OF A SIMILAR TOY BLOCK.
Claim 2
Dependent Claim
118 words
A TOY BUILDING BLOCK COMPRISING, A FRAME OF NON-MAGNETIC MATERIAL, A PERMANENT MAGNET PLATE SECURED WITHIN SAID FRAME, A GRID STRUCTURE OF NON-MAGNETIC MATERIAL OVERLYING SAID PERMANENT MAGNET PLATE, SAID PERMANENT MAGNET PLATE AND GRID STRUCTURE TOGETHER FORMING ONE EXTERIOR FACE OF SAID BLOCK, SAID FRAME AND GRID STRUCTURE TOGETHER CONSTITUTING MEANS PROTECTING SAID PLATE FROM BLOWS AND ABRASION, AN ELEMENT HAVING A WAFFLE-LIKE EXTERIOR SURFACE SECURED WITHIN SAID FRAME SURFACE PROVIDING A FACE OF SAID BLOCK POSITIONED OPPOSITELY TO SAID ONE FACE, SAID ELEMENT BEING OF A MATERIAL AND SHAPE TO CONSTITUTE MEANS WHICH IS MAGNETICALLY ATTRACTED TO SAID PERMANENT MAGNET PLATE AND WHICH WILL MATE WITH AN OPPOSED SAID ONE FACE OF A SIMILAR TOY BLOCK.
References Cited (Backward Citations)
DE1071555B
Cited
US879455A
Cited
US2262199A
Cited
US2389298A
Cited
US2570625A
Cited
US2951703A
Cited
US2983071A
Cited
US3095668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |