US3246440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener assembly
Assignee: Chicago United Products Co Inc
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Filing: 1963-07-24
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Granted: 1966-04-19
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Expires: 1983-07-24
Abstract
No abstract record available.
Inventors
- 👤 Engelbert A Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:43
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/12; F16B5/128; F16B21/00; F16B21/09; Y; Y10; Y10T; Y10T24/00; Y10T24/30; Y10T24/309
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
AN ASSEMBLY COMPRISING A COMBINATION A MALE FASTENER ELEMENT HAVING A SHANK PROVIDED AT ONE END WITH A GENERALLY CONE-SHAPED HEAD HAVING A BASE SPACED FROM THE OPPOSITE END OF THE SHANK, AND A FEMALE FASTENER PROVIDED WITH OPPOSED SPACED APART SPRING FINGERS ADAPTED TO BE RESISTINGLY SPREAD APART TO BE RECEIVED OVER SAID HEAD AND ENGAGED THEREWITH TO INTERLOCK SAID FASTENER ELEMENTS TOGETHER, THE LOWER PORTION OF SAID FEMALE FASTENER ELEMENT HAVING A LONGITUDINAL INVERTED U-SHAPED BRIDGING PORTION WITH SAID FINGERS EXTENDING DOWNWARDLY FROM THE BIGHT OF THE U, THE UPPER PORTION OF SAID FEMALE FASTENER ELEMENT HAVING A SKELETON-LIKE DOME INCLUDING UPPER LONGITUDINAL BEAMS EACH OF WHICH EXTEND UPWARDLY FROM THE TOP OF ITS RESPECTIVE SPRING FINTER, SAID DOME INCLUDING TRANSVERSE ARCHES WHICH EXTEND DOWNWARDLY FROM THE ENDS OF THE BEAMS TO AND BELOW THE BIGHT OF THE U OF THE BRIDGING PORTION, THE TOP SURFACES OF SAID BEAMS AND SAID ARCHES BEING OF A PREDETERMINED SHAPE TO DEFINE A PREDETERMINED PLANAR SURFACE COMPLEMENTARY TO THE SHAPE OF THE PART TO BE ATTACHED TO SAID FEMALE FASTENER ELEMENT.
Claim 2
Dependent Claim
180 words
AN ASSEMBLY COMPRISING A COMBINATION A MALE FASTENER ELEMENT HAVING A SHANK PROVIDED AT ONE END WITH A GENERALLY CONE-SHAPED HEAD HAVING A BASE SPACED FROM THE OPPOSITE END OF THE SHANK, AND A FEMALE FASTENER PROVIDED WITH OPPOSED SPACED APART SPRING FINGERS ADAPTED TO BE RESISTINGLY SPREAD APART TO BE RECEIVED OVER SAID HEAD AND ENGAGED THEREWITH TO INTERLOCK SAID FASTENER ELEMENTS TOGETHER, THE LOWER PORTION OF SAID FEMALE FASTENER ELEMENT HAVING A LONGITUDINAL INVERTED U-SHAPED BRIDGING PORTION WITH SAID FINGERS EXTENDING DOWNWARDLY FROM THE BIGHT OF THE U, THE UPPER PORTION OF SAID FEMALE FASTENER ELEMENT HAVING A SKELETON-LIKE DOME INCLUDING UPPER LONGITUDINAL BEAMS EACH OF WHICH EXTEND UPWARDLY FROM THE TOP OF ITS RESPECTIVE SPRING FINTER, SAID DOME INCLUDING TRANSVERSE ARCHES WHICH EXTEND DOWNWARDLY FROM THE ENDS OF THE BEAMS TO AND BELOW THE BIGHT OF THE U OF THE BRIDGING PORTION, THE TOP SURFACES OF SAID BEAMS AND SAID ARCHES BEING OF A PREDETERMINED SHAPE TO DEFINE A PREDETERMINED PLANAR SURFACE COMPLEMENTARY TO THE SHAPE OF THE PART TO BE ATTACHED TO SAID FEMALE FASTENER ELEMENT.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |