US3221847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural connections
Assignee: Individual
•
Filing: 1963-04-22
•
Granted: 1965-12-07
•
Expires: 1983-04-22
Abstract
No abstract record available.
Inventors
- 👤 Warren R Attwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:04
CPC Classifications
F; F16; F16B; F16B2/00; F16B2/005; F16B43/00; Y; Y10; Y10T; Y10T403/00; Y10T403/75
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
MEANS LOCKING ONE STRUCTURAL MEMBER TO ANOTHER, SAID MEANS COMPRISING (A) FASTENING MEANS OPERABLE UPON TIGHTENING TO CLAMP AND STRUCTURAL MEMBERS ONE TO THE OTHER, AND (B) AN ELONGATED BENT WIRE MEMBER OF A MATERIAL HARDER AND STRONGER THAN EACH OF SAID STRUCTURAL MEMBERS CARRIED BETWEEN SAID STRUCTURAL MEMBERS AND SUBSTANTIALLY COMPLETELY ENCIRCLING SAID FASTENING MEANS, SAID WIRE MEMBER EMBEDDING INTO EACH OF SAID STRUCTURAL MEMBERS AS SAID FASTENING MEANS IS TIGHTENED, SAID WIRE MEMBER THEN RESISTING SHEAR FORCES BETWEEN SAID STRUCTURAL MEMBERS IN ANY DIRECTION IS THE PLANE OF SAID WIRE MEMBER.
Claim 2
Dependent Claim
93 words
MEANS LOCKING ONE STRUCTURAL MEMBER TO ANOTHER, SAID MEANS COMPRISING (A) FASTENING MEANS OPERABLE UPON TIGHTENING TO CLAMP AND STRUCTURAL MEMBERS ONE TO THE OTHER, AND (B) AN ELONGATED BENT WIRE MEMBER OF A MATERIAL HARDER AND STRONGER THAN EACH OF SAID STRUCTURAL MEMBERS CARRIED BETWEEN SAID STRUCTURAL MEMBERS AND SUBSTANTIALLY COMPLETELY ENCIRCLING SAID FASTENING MEANS, SAID WIRE MEMBER EMBEDDING INTO EACH OF SAID STRUCTURAL MEMBERS AS SAID FASTENING MEANS IS TIGHTENED, SAID WIRE MEMBER THEN RESISTING SHEAR FORCES BETWEEN SAID STRUCTURAL MEMBERS IN ANY DIRECTION IS THE PLANE OF SAID WIRE MEMBER.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |