US3414224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interlock structural members
Assignee: Dexion Ltd
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Filing: 1966-03-28
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Granted: 1968-12-03
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Expires: 1986-03-28
Abstract
No abstract record available.
Inventors
- 👤 Robilliard Leonard Thomas
- 👤 Watford David Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:53
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/30; A47B57/40; A47B57/402; A47B96/00; F; F16; F16B; F16B2200/00; F16B2200/69
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A RACKING STRUCTURE COMPOSED OF UPRIGHT AND BEAM COMPONENTS PROVIDED WITH INTERENGAGEABLE CONNECTION MEANS; COMPRISING A FIRST OF SAID COMPONENTS HAVING AT LEAST ONE LOCKING DEVICE PIVOTALLY MOUNTED ON SAID FIRST COMPONENT AND HAVING A PROTRUSION THEREON PASSING THROUGH A HOLE IN SAID FIRST COMPONENT; A SECOND OF SAID COMPONENTS HAVING A SECOND HOLE THEREIN REGISTERABLE WITH SAID FIRST HOLE IN SAID FIRST COMPONENT AND HAVING ONE DIMENSION SMALLER THAN THE CORRESPONDING DIMENSION OF SAID FIRST HOLE IN SAID FIRST COMPONENT SO AS TO EXPOSE A PORTION OF THE FACE OF SAID SECOND COMPONENT THROUGH SAID FIRST HOLE WHEN SAID FIRST AND SECOND HOLES ARE IN ALIGNMENT; SAID SECOND HOLE BEING ADAPTED TO BE AUTOMATICALLY ENGAGED BY SAID PROTRUSION OF SAID LOCKING DE-
Claim 2
Dependent Claim
123 words
A RACKING STRUCTURE COMPOSED OF UPRIGHT AND BEAM COMPONENTS PROVIDED WITH INTERENGAGEABLE CONNECTION MEANS; COMPRISING A FIRST OF SAID COMPONENTS HAVING AT LEAST ONE LOCKING DEVICE PIVOTALLY MOUNTED ON SAID FIRST COMPONENT AND HAVING A PROTRUSION THEREON PASSING THROUGH A HOLE IN SAID FIRST COMPONENT; A SECOND OF SAID COMPONENTS HAVING A SECOND HOLE THEREIN REGISTERABLE WITH SAID FIRST HOLE IN SAID FIRST COMPONENT AND HAVING ONE DIMENSION SMALLER THAN THE CORRESPONDING DIMENSION OF SAID FIRST HOLE IN SAID FIRST COMPONENT SO AS TO EXPOSE A PORTION OF THE FACE OF SAID SECOND COMPONENT THROUGH SAID FIRST HOLE WHEN SAID FIRST AND SECOND HOLES ARE IN ALIGNMENT; SAID SECOND HOLE BEING ADAPTED TO BE AUTOMATICALLY ENGAGED BY SAID PROTRUSION OF SAID LOCKING DE-
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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |