Patent US3232572A successfully refreshed from Google Patents.
US3232572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device for wall-hooks and similar mounting devices
Assignee: Individual
•
Filing: 1963-06-25
•
Granted: 1966-02-01
•
Expires: 1983-06-25
Abstract
No abstract record available.
Inventors
- 👤 Ekstrom Orjan Vilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:45
CPC Classifications
F; F16; F16B; F16B45/00; F16B45/005; F16B45/008; A; A47; A47G; A47G1/00; A47G1/16; A47G1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A FASTENER FOR SECURING A MOUNTING DEVICE TO A CONCRETE WALL OR OTHER CONCRETE SURFACE COMPRISING A BASE MEMBER HAVING A SUBSTANTIALLY COPLANAR WALL ENGAGING SURFACE AND AN OPPOSITE SIDE, A GROUP OF AT LEAST THREE POINTED ENTIRELY STRAIGHT SMOOTH SURFACED STEEL PINS ARRANGED SUBSTANTIALLY PARALLEL TO EACH OTHER AND PERPENDICULAR TO SAID WALL ENGAGING SURFACE AND HAVING THEIR POINTS EXTENDING INTO SAID BASE MEMBER WITH THEIR OPPOSITE ENDS PROTRUDING FROM SAID OPPOSITE SIDE, SAID BASE MEMBER BEING OF AN ELASTIC SOMEWHAT YIELDING PLASTIC MATERIAL, AND SAID GROUP OF PINS BEING SUBSTANTIALLY EQUALLY DISTRIBUTED ABOUT THE PERIPHERY OF A CIRCLE HAVING A DIAMETER OF FROM 4 TO 20 MM. TO PRESENT THE CORNERS OF A POLYGON, AND THE LENGTH OF SAID PINS BEING FROM 2 TO 6 MM. GREATER THAN THE THICKNESS OF SAID BASE.
Claim 2
Dependent Claim
135 words
A FASTENER FOR SECURING A MOUNTING DEVICE TO A CONCRETE WALL OR OTHER CONCRETE SURFACE COMPRISING A BASE MEMBER HAVING A SUBSTANTIALLY COPLANAR WALL ENGAGING SURFACE AND AN OPPOSITE SIDE, A GROUP OF AT LEAST THREE POINTED ENTIRELY STRAIGHT SMOOTH SURFACED STEEL PINS ARRANGED SUBSTANTIALLY PARALLEL TO EACH OTHER AND PERPENDICULAR TO SAID WALL ENGAGING SURFACE AND HAVING THEIR POINTS EXTENDING INTO SAID BASE MEMBER WITH THEIR OPPOSITE ENDS PROTRUDING FROM SAID OPPOSITE SIDE, SAID BASE MEMBER BEING OF AN ELASTIC SOMEWHAT YIELDING PLASTIC MATERIAL, AND SAID GROUP OF PINS BEING SUBSTANTIALLY EQUALLY DISTRIBUTED ABOUT THE PERIPHERY OF A CIRCLE HAVING A DIAMETER OF FROM 4 TO 20 MM. TO PRESENT THE CORNERS OF A POLYGON, AND THE LENGTH OF SAID PINS BEING FROM 2 TO 6 MM. GREATER THAN THE THICKNESS OF SAID BASE.
References Cited (Backward Citations)
CA606558A
Cited
US647169A
Cited
DE385579C
Cited
CH166155A
Cited
US2675546A
Cited
US3012746A
Cited
FR1193266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |