Patent US3297345A successfully refreshed from Google Patents.
US3297345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interlocking beam connectors
Assignee: DONN PRODUCTS Inc
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Filing: 1964-02-13
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Granted: 1967-01-10
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Expires: 1984-02-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Lucien R Downing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:28
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/10; Y; Y10; Y10T; Y10T403/00; Y10T403/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
AN INTEGRAL CONNECTOR FOR A STRUCTURAL BEAM, SAID BEAM INCLUDING A WEB PORTION DEFINING LONGITUDINALLY EXTENDING SPACED PARALLEL MARGINAL EDGES, SAID CONNECTOR INCLUDING A TONGUE PORTION EXTENDING BEYOND THE EXTREMITY OF THE WEB PORTION AND INTEGRAL THEREWITH, AND LYING SUBSTANTIALLY IN A PLANE DISPLACED FROM, AND PARALLEL TO THE PLANE OF SAID WEB, SAID TONGUE PORTION HAVING A DISTAL AND A PROXIMAL MARGINAL EDGE, THE PROXIMAL MARGINAL EDGE OF SAID TONGUE BEING SUBSTANTIALLY NORMAL TO SAID LONGITUDINAL MARGINAL EDGES OF SAID WEB, SAID WEB HAVING A SLOT ADJACENT SAID PROXIMAL EDGE OF SAID TONGUE, SAID SLOT BEING DIMENSIONED TO RECEIVE A CORRESPONDING BUT OPPOSITELY DISPOSED TONGUE OF ANOTHER BEAM, MEANS DISPOSED ADJACENT THE SLOT FOR DEFLECTING AND GUIDING THE CORRESPONDING BUT OPPOSITELY DISPOSED TONGUE OF SAID ANOTHER BEAM THROUGH THE SLOT AND INTO OVERLAPPING RELATION WITH SAID TONGUE, AND DETENT MEANS PROJECTING FROM THE TONGUE AND TOWARD THE PLANE OF THE WEB AND DISPOSED SOLELY ADJACENT THE DISTAL EDGE THEREOF FOR INTERLOCKINGLY ENGAGING THE PROXIMAL EDGE OF A CORRESPONDING, OPPOSITELY DISPOSED AND OVERLAPPED TONGUE THEREBY PROVIDING THE SOLE MEANS FOR HOLDING THE BEAMS TOGETHER.
Claim 2
Dependent Claim
184 words
AN INTEGRAL CONNECTOR FOR A STRUCTURAL BEAM, SAID BEAM INCLUDING A WEB PORTION DEFINING LONGITUDINALLY EXTENDING SPACED PARALLEL MARGINAL EDGES, SAID CONNECTOR INCLUDING A TONGUE PORTION EXTENDING BEYOND THE EXTREMITY OF THE WEB PORTION AND INTEGRAL THEREWITH, AND LYING SUBSTANTIALLY IN A PLANE DISPLACED FROM, AND PARALLEL TO THE PLANE OF SAID WEB, SAID TONGUE PORTION HAVING A DISTAL AND A PROXIMAL MARGINAL EDGE, THE PROXIMAL MARGINAL EDGE OF SAID TONGUE BEING SUBSTANTIALLY NORMAL TO SAID LONGITUDINAL MARGINAL EDGES OF SAID WEB, SAID WEB HAVING A SLOT ADJACENT SAID PROXIMAL EDGE OF SAID TONGUE, SAID SLOT BEING DIMENSIONED TO RECEIVE A CORRESPONDING BUT OPPOSITELY DISPOSED TONGUE OF ANOTHER BEAM, MEANS DISPOSED ADJACENT THE SLOT FOR DEFLECTING AND GUIDING THE CORRESPONDING BUT OPPOSITELY DISPOSED TONGUE OF SAID ANOTHER BEAM THROUGH THE SLOT AND INTO OVERLAPPING RELATION WITH SAID TONGUE, AND DETENT MEANS PROJECTING FROM THE TONGUE AND TOWARD THE PLANE OF THE WEB AND DISPOSED SOLELY ADJACENT THE DISTAL EDGE THEREOF FOR INTERLOCKINGLY ENGAGING THE PROXIMAL EDGE OF A CORRESPONDING, OPPOSITELY DISPOSED AND OVERLAPPED TONGUE THEREBY PROVIDING THE SOLE MEANS FOR HOLDING THE BEAMS TOGETHER.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |