US3095668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic blocks
Assignee: Individual
•
Filing: 1959-02-10
•
Granted: 1963-07-02
•
Expires: 1979-02-10
Abstract
No abstract record available.
Inventors
- 👤 Clarence T Dorsett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:18
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/046; G; G09; G09B; G09B1/00; G09B1/32; G09B1/38; Y; Y10; Y10S; Y10S428/00; Y10S428/90; Y10S52/00; Y10S52/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A SET OF BLOCKS, EACH OF SAID BLOCKS OF SAID SET BEING FORMED OUT OF A NON-MAGNETIC MATERIAL, SAID BLOCKS OF SAID SET HAVING SURFACES ADAPTED TO BE HELD AGAINST OTHER SURFACES OF OTHER BLOCKS OF SAID SET BY MAGNETIC FORCE, SAID SURFACES ALSO BEING ADAPTED TO BE REPELLED FROM OTHER SURFACES OF OTHER BLOCKS OF SAID SET BY MAGNETIC FORCES, SOME OF SAID SURFACES BEING AT LEAST PARTIALLY COVERED WITH AN ADHERENT NON-SELF SUPPORTING COATING CONSISTING OF PERMANENT MAGNETIC PARTICLES SIZED SO AS TO PASS A 200 MESH STANDARD TYLER SIEVE AND A NON-MAGNETIC BINDER HOLDING SAID PERMANENT MAGNET PARTICLES IN PLACE, OTHER OF SAID SURFACES BEING AT LEAST PARTIALLY COVERED WITH AN ADHERENT NON-SELF SUPPORTING COATING CONSISTING OF NON-PERMANENT MAGNET MAGNETIC PARTICLES SIZED SO AS TO PASS A 200 MESH
Claim 2
Dependent Claim
132 words
A SET OF BLOCKS, EACH OF SAID BLOCKS OF SAID SET BEING FORMED OUT OF A NON-MAGNETIC MATERIAL, SAID BLOCKS OF SAID SET HAVING SURFACES ADAPTED TO BE HELD AGAINST OTHER SURFACES OF OTHER BLOCKS OF SAID SET BY MAGNETIC FORCE, SAID SURFACES ALSO BEING ADAPTED TO BE REPELLED FROM OTHER SURFACES OF OTHER BLOCKS OF SAID SET BY MAGNETIC FORCES, SOME OF SAID SURFACES BEING AT LEAST PARTIALLY COVERED WITH AN ADHERENT NON-SELF SUPPORTING COATING CONSISTING OF PERMANENT MAGNETIC PARTICLES SIZED SO AS TO PASS A 200 MESH STANDARD TYLER SIEVE AND A NON-MAGNETIC BINDER HOLDING SAID PERMANENT MAGNET PARTICLES IN PLACE, OTHER OF SAID SURFACES BEING AT LEAST PARTIALLY COVERED WITH AN ADHERENT NON-SELF SUPPORTING COATING CONSISTING OF NON-PERMANENT MAGNET MAGNETIC PARTICLES SIZED SO AS TO PASS A 200 MESH
References Cited (Backward Citations)
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Cited
US2219074A
Cited
US2600951A
Cited
US2570625A
Cited
US2744031A
Cited
FR1076940A
Cited
US2795893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |