US3336828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blind nuts
Assignee: ANCIENS BAC Ets
•
Filing: 1965-07-21
•
Granted: 1967-08-22
•
Expires: 1985-07-21
Abstract
No abstract record available.
Inventors
- 👤 Granger Lionel Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:08
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/06; F16B37/062; F16B37/065; F16B37/067; Y; Y10; Y10S; Y10S411/00; Y10S411/913; Y10S411/955; Y10S411/965; Y10S411/969
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A BLIND NUT ADAPTED TO BE INSERTED INTO AN OPENING IN A THIN STRUCTURE, ONE FACE OF WHICH IS NOT READILY ACCESSIBLE, SAID NUT COMPRISING A DEFORMABLE CAGE HAVING A GENERALLY BARREL-LIKE SHAPE, A THREADED MEMBER FIXED AT THE BOTTOM OF SAID CAGE AND AXIALLY ALIGNED WITH SAID CAGE, SAID CAGE INCLUDING A PLURALITY OF FLAT RESILIENT ARMS, ARRANGED IN AXIAL SYMMETRY, FIXED TO SAID THREADED MEMBER AND EXTENDING UPWARDLY THEREFROM, SAID ARMS HAVING UPPER ENDS, REMOTE FROM SAID THREADED MEMBER, OUTWARDLY BENT ABOUT A BEND LINE TO FORM TRANSVERSE FLANGES, SAID FLANGES BEING ADAPTED TO LIE UPON THE ACCESSIBLE FACE OF SAID STRUCTURE WHEN SAID NUT IS INSERTED INTO SAID OPENING IN THE STRUCTURE, SAID ARMS HAVING ACUTE ANGLE NOTCHES BENEATH SAID FLANGES, SAID NOTCHES HAVING UPPER EDGES DISPOSED ALONG SAID BEND LINES AND LOWER EDGES EXTENDING UPWARDLY AND TRANSVERSELY FROM ONE LATERAL EDGE OF SAID ARM TOWARDS SAID BEND LINES, SAID NOTCHES OPENING EXTERNALLY OF SAID ARMS AND WIDENING IN THE DIRECTION IN WHICH A BOLT IS THREADABLY ADVANCED
Claim 2
Dependent Claim
171 words
A BLIND NUT ADAPTED TO BE INSERTED INTO AN OPENING IN A THIN STRUCTURE, ONE FACE OF WHICH IS NOT READILY ACCESSIBLE, SAID NUT COMPRISING A DEFORMABLE CAGE HAVING A GENERALLY BARREL-LIKE SHAPE, A THREADED MEMBER FIXED AT THE BOTTOM OF SAID CAGE AND AXIALLY ALIGNED WITH SAID CAGE, SAID CAGE INCLUDING A PLURALITY OF FLAT RESILIENT ARMS, ARRANGED IN AXIAL SYMMETRY, FIXED TO SAID THREADED MEMBER AND EXTENDING UPWARDLY THEREFROM, SAID ARMS HAVING UPPER ENDS, REMOTE FROM SAID THREADED MEMBER, OUTWARDLY BENT ABOUT A BEND LINE TO FORM TRANSVERSE FLANGES, SAID FLANGES BEING ADAPTED TO LIE UPON THE ACCESSIBLE FACE OF SAID STRUCTURE WHEN SAID NUT IS INSERTED INTO SAID OPENING IN THE STRUCTURE, SAID ARMS HAVING ACUTE ANGLE NOTCHES BENEATH SAID FLANGES, SAID NOTCHES HAVING UPPER EDGES DISPOSED ALONG SAID BEND LINES AND LOWER EDGES EXTENDING UPWARDLY AND TRANSVERSELY FROM ONE LATERAL EDGE OF SAID ARM TOWARDS SAID BEND LINES, SAID NOTCHES OPENING EXTERNALLY OF SAID ARMS AND WIDENING IN THE DIRECTION IN WHICH A BOLT IS THREADABLY ADVANCED
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |