Patent US3404435A successfully refreshed from Google Patents.
US3404435A
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US
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Paper clip
Assignee: EMELOID CO Inc
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Filing: 1966-11-04
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Granted: 1968-10-08
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Expires: 1986-11-04
Abstract
No abstract record available.
Inventors
- 👤 Jackson S Freundlich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:33
CPC Classifications
B; B42; B42F; B42F1/00; B42F1/006; Y; Y10; Y10T; Y10T24/00; Y10T24/20; Y10T24/202; Y10T24/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
A CLIP DEVICE COMPRISING: A ONE PIECE MOLDED ELASTIC SYNTHETIC RESIN BODY HAVING A BASE PORTION AND A CLAMP PORTION: SAID BASE PORTION HAVING OPPOSED TOP AND BOTTOM FACE SURFACES AND AN OPENING FROM FACE TO FACE OUTLINED BY A FRAME OF REMAINDER MATERIAL AT LEAST PARTIALLY SURROUNDING SAID OPENING: SAID CLAMP PORTION HAVING A PRESSURE BAR SECTION, SAID BAR SECTION HAVING A STIFFNESS OF ABOUT THE SAME DEGREE AS SAID BASE PORTION; A HINGE WEB INTERCONNECTING SAID CLAMP PORTION TO SAID BASE PORTION, SAID HINGE WEB HAVING A DEGREE OF STIFFENING MUCH LESS THAN SAID BAR AND BASE SECTION TO PROVIDE FLEXIBILITY AND SPRING RESILIENCY, SAID OPENING: AND SAID PRESSURE BAR SECTION AND HINGE DIMENSIONED AND PROPORTIONED IN RELATION SHIP TO THE CHARACTERISTICS OF PROPORTIONAL IN RELATIONSHIP TO THE CHARACTERISTICS OF THE COMPOUND FROM WHICH IT IS COMPOSED SUCH THAT PLACING OF SAID PRESSURE BAR SECTION AGAINST THE FRAME SURROUNDING SAID THROUGH OPENING WILL EXTEND SAID HINGE SECTION THROUGH SAID OPENING AND FLEX SAID HINGE SECTION OUT OF ITS NATURAL CONDITION, WHEREBY SAID FLEXING WILL CAUSE THE HINGE TO URGE THE CLAMP PORTION TO ROTATE IN THE DIRECTION OF SAID FRAME IN A CLAMPING ACTION.
Claim 2
Dependent Claim
196 words
A CLIP DEVICE COMPRISING: A ONE PIECE MOLDED ELASTIC SYNTHETIC RESIN BODY HAVING A BASE PORTION AND A CLAMP PORTION: SAID BASE PORTION HAVING OPPOSED TOP AND BOTTOM FACE SURFACES AND AN OPENING FROM FACE TO FACE OUTLINED BY A FRAME OF REMAINDER MATERIAL AT LEAST PARTIALLY SURROUNDING SAID OPENING: SAID CLAMP PORTION HAVING A PRESSURE BAR SECTION, SAID BAR SECTION HAVING A STIFFNESS OF ABOUT THE SAME DEGREE AS SAID BASE PORTION; A HINGE WEB INTERCONNECTING SAID CLAMP PORTION TO SAID BASE PORTION, SAID HINGE WEB HAVING A DEGREE OF STIFFENING MUCH LESS THAN SAID BAR AND BASE SECTION TO PROVIDE FLEXIBILITY AND SPRING RESILIENCY, SAID OPENING: AND SAID PRESSURE BAR SECTION AND HINGE DIMENSIONED AND PROPORTIONED IN RELATION SHIP TO THE CHARACTERISTICS OF PROPORTIONAL IN RELATIONSHIP TO THE CHARACTERISTICS OF THE COMPOUND FROM WHICH IT IS COMPOSED SUCH THAT PLACING OF SAID PRESSURE BAR SECTION AGAINST THE FRAME SURROUNDING SAID THROUGH OPENING WILL EXTEND SAID HINGE SECTION THROUGH SAID OPENING AND FLEX SAID HINGE SECTION OUT OF ITS NATURAL CONDITION, WHEREBY SAID FLEXING WILL CAUSE THE HINGE TO URGE THE CLAMP PORTION TO ROTATE IN THE DIRECTION OF SAID FRAME IN A CLAMPING ACTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |