Patent US3195938A successfully refreshed from Google Patents.
US3195938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling means for building frameworks, racks, scaffolds, and the like
Assignee: Individual
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Filing: 1962-04-09
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Granted: 1965-07-20
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Expires: 1982-04-09
Abstract
No abstract record available.
Inventors
- 👤 Louis L Rifken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:42
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/02; E04G7/06; E04G7/12; E04G7/18; Y; Y10; Y10T; Y10T403/00; Y10T403/44; Y10T403/443; Y10T403/71; Y10T403/7105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A COUPLING MEMBER COMPRISING A BODY PORTION HAVING A RECESS FORMED CENTRALLY THEREOF AND HAVING TWO OPPOSED SIDES AND A BOTTOM, THE BOTTOM FORMING A CENTRAL SOCKET ADOPTED TO RECEIVE A FRAMEWORK MEMBER, ARMS EXTENDING OUTWARDLY OF AND AS CONTINUATIONS OF SAID BODY PORTION, EACH ARM HAVING AN OPENING EACH ADAPTED TO RECEIVE A SEPARATE FRAMEWORK MEMBER, THE AXIS OF ONE OPENING INTERSECTING THE AXIS OF THE OTHER OPENING AT A POINT IN A PLANE PASSING THROUGH THE CENTRAL PORTION OF SAID BOTTOM AND THE LONGITUDINAL AXIS OF SAID CENTRAL SOCKET EXTENDING TRANSVERSELY TO THE AXES OF SAID OPENINGS, THE AXIS OF SAID CENTRAL SOCKET BEING POSITIONED BETWEEN THE BOTTOM OF THE MEMBER AND SAID POINT OF INTERSECTION, AND A LOCKING MEMBER SECURED IN SAID BODY AND EXTENDING INTO SAID CENTRAL SOCKET TO ENGAGE THE FRAMEWORK IN SAID CENTRAL SOCKET AND URGE IT AGAINST THE FRAMEWORK IN SAID OPENINGS TO COUPLE SAME TOGETHER.
Claim 2
Dependent Claim
153 words
A COUPLING MEMBER COMPRISING A BODY PORTION HAVING A RECESS FORMED CENTRALLY THEREOF AND HAVING TWO OPPOSED SIDES AND A BOTTOM, THE BOTTOM FORMING A CENTRAL SOCKET ADOPTED TO RECEIVE A FRAMEWORK MEMBER, ARMS EXTENDING OUTWARDLY OF AND AS CONTINUATIONS OF SAID BODY PORTION, EACH ARM HAVING AN OPENING EACH ADAPTED TO RECEIVE A SEPARATE FRAMEWORK MEMBER, THE AXIS OF ONE OPENING INTERSECTING THE AXIS OF THE OTHER OPENING AT A POINT IN A PLANE PASSING THROUGH THE CENTRAL PORTION OF SAID BOTTOM AND THE LONGITUDINAL AXIS OF SAID CENTRAL SOCKET EXTENDING TRANSVERSELY TO THE AXES OF SAID OPENINGS, THE AXIS OF SAID CENTRAL SOCKET BEING POSITIONED BETWEEN THE BOTTOM OF THE MEMBER AND SAID POINT OF INTERSECTION, AND A LOCKING MEMBER SECURED IN SAID BODY AND EXTENDING INTO SAID CENTRAL SOCKET TO ENGAGE THE FRAMEWORK IN SAID CENTRAL SOCKET AND URGE IT AGAINST THE FRAMEWORK IN SAID OPENINGS TO COUPLE SAME TOGETHER.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |