Patent US3120941A successfully refreshed from Google Patents.
US3120941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scaffold frame
Assignee: Automatic Devices Inc
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Filing: 1960-11-18
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Granted: 1964-02-11
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Expires: 1980-11-18
Abstract
No abstract record available.
Inventors
- 👤 Robert E Cameron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:39
CPC Classifications
E; E04; E04G; E04G11/00; E04G11/36; E04G11/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN A SCAFFOLD-TRUSS SYSTEM, A SCAFFOLD FRAME INCLUDING SPACED TUBULAR LEGS AND A SPREADER BAR INTERCONNECTING SAID PAIR OF LEGS, A TRUSS EXTENDING BETWEEN A PAIR OF SAID SPACED LEGS, A FLANGE SECURED TO EACH END OF SAID TRUSS, SAID FLANGES BEING SUPPORTED ON THE TOP OF SAID PAIR OF LEGS, SAID FLANGES BEING PROVIDED WITH A LONGITUDINAL BOTTOM OPENING, THE SPREADER BAR INTERFITTING SAID LONGITUDINAL BOTTOM OPENING, EACH FLANGE BEING PROVIDED WITH AN OPENING COMMUNICATING WITH THE INTERIOR OF ITS ASSOCIATED TUBULAR LEG, AND MEANS EXTENDING THROUGH SAID OPENING AND INTO SAID LEG TO CONNECT THE TRUSS TO SAID LEG, THE TRUSS BEING ADAPTED TO SUPPORT A LOAD AND TRANSMIT THE WEIGHT OF SUCH LOAD DIRECTLY TO SAID LEGS.
Claim 2
Dependent Claim
120 words
IN A SCAFFOLD-TRUSS SYSTEM, A SCAFFOLD FRAME INCLUDING SPACED TUBULAR LEGS AND A SPREADER BAR INTERCONNECTING SAID PAIR OF LEGS, A TRUSS EXTENDING BETWEEN A PAIR OF SAID SPACED LEGS, A FLANGE SECURED TO EACH END OF SAID TRUSS, SAID FLANGES BEING SUPPORTED ON THE TOP OF SAID PAIR OF LEGS, SAID FLANGES BEING PROVIDED WITH A LONGITUDINAL BOTTOM OPENING, THE SPREADER BAR INTERFITTING SAID LONGITUDINAL BOTTOM OPENING, EACH FLANGE BEING PROVIDED WITH AN OPENING COMMUNICATING WITH THE INTERIOR OF ITS ASSOCIATED TUBULAR LEG, AND MEANS EXTENDING THROUGH SAID OPENING AND INTO SAID LEG TO CONNECT THE TRUSS TO SAID LEG, THE TRUSS BEING ADAPTED TO SUPPORT A LOAD AND TRANSMIT THE WEIGHT OF SUCH LOAD DIRECTLY TO SAID LEGS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |