US3364646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wooden joist or beam
Assignee: Individual
•
Filing: 1966-12-09
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Granted: 1968-01-23
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Expires: 1986-12-09
Abstract
No abstract record available.
Inventors
- 👤 Eliot I Snider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:53
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/12; E04C3/16; E04C3/38; E04C3/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A BEAM COMPRISING AN ELONGATED WOODEN TENSION CHORD AN ELONGATED WOODEN COMPRESSION CHORD LONGER THAN THE TENSION CHORD AND IN SPACED, GENERALLY PARALLEL RELATION THERETO, THE CHORDS EACH HAVING A GENERALLY RECTANGULAR CROSS SECTION, AND A PLURALITY OF FLAT PLYWOOD JOINING PANELS EACH OVERLYING AND RIGIDLY ADHESIVELY BONDED TO AN EDGE SURFACE OF EACH CHORD, EACH BONDED EDGE SURFACE EXTENDING A SUBSTANTIAL DISTANCE ALONG THE PRINCIPAL DIMENSION OF THE CHORD, THE PANELS BEING DISTRIBUTED BETWEEN BOTH SIDES OF THE CHORDS ALONG SAID PRINCIPAL DIMENSION, THE LENGTHS OF THE PANELS IN THE DIRECTION OF SAID PRINCIPAL DIMENSION INCREASING FROM THE CENTER TOWARD THE ENDS OF THE CHORDS, THE SPACING BETWEEN THE PANELS ALONG SAID PRINCIPAL DIMENSION DECREASING FROM THE CENTER TOWARD THE ENDS OF THE BEAM AND BEING SUFFICIENT TO PERMIT AN APPRECIABLE Z-DEFLECTION OF THE CHORDS BETWEEN THE PAPNELS UNDER A PREDETERMINED LOAD, THE PANELS EXTENDING TO AN END OF THE TENSION CHORD SO AS TO DEFINE A HANGING PROJECTION AT AN END OF THE COMPRESSION CHORD.
Claim 2
Dependent Claim
167 words
A BEAM COMPRISING AN ELONGATED WOODEN TENSION CHORD AN ELONGATED WOODEN COMPRESSION CHORD LONGER THAN THE TENSION CHORD AND IN SPACED, GENERALLY PARALLEL RELATION THERETO, THE CHORDS EACH HAVING A GENERALLY RECTANGULAR CROSS SECTION, AND A PLURALITY OF FLAT PLYWOOD JOINING PANELS EACH OVERLYING AND RIGIDLY ADHESIVELY BONDED TO AN EDGE SURFACE OF EACH CHORD, EACH BONDED EDGE SURFACE EXTENDING A SUBSTANTIAL DISTANCE ALONG THE PRINCIPAL DIMENSION OF THE CHORD, THE PANELS BEING DISTRIBUTED BETWEEN BOTH SIDES OF THE CHORDS ALONG SAID PRINCIPAL DIMENSION, THE LENGTHS OF THE PANELS IN THE DIRECTION OF SAID PRINCIPAL DIMENSION INCREASING FROM THE CENTER TOWARD THE ENDS OF THE CHORDS, THE SPACING BETWEEN THE PANELS ALONG SAID PRINCIPAL DIMENSION DECREASING FROM THE CENTER TOWARD THE ENDS OF THE BEAM AND BEING SUFFICIENT TO PERMIT AN APPRECIABLE Z-DEFLECTION OF THE CHORDS BETWEEN THE PAPNELS UNDER A PREDETERMINED LOAD, THE PANELS EXTENDING TO AN END OF THE TENSION CHORD SO AS TO DEFINE A HANGING PROJECTION AT AN END OF THE COMPRESSION CHORD.
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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |