US3131576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction for links and structs
Assignee: AO Smith Corp
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Filing: 1961-12-15
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Granted: 1964-05-05
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Expires: 1981-12-15
Abstract
No abstract record available.
Inventors
- 👤 Irene G Schilberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:37
CPC Classifications
B; B60; B60G; B60G7/00; B60G7/001; B60G9/00; B60G2200/00; B60G2200/30; B60G2200/34; B60G2200/341; B60G2202/00; B60G2202/10; B60G2202/11; B60G2202/112; B60G2206/00; B60G2206/01; B60G2206/10; B60G2206/11; B60G2206/70; B60G2206/72; B60G2206/722; B60G2206/80; B60G2206/81; B60G2206/8102; B60G2206/8103; B60G2206/82; B60G2206/8201; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2153
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A STRUT COMPRISING A CONTINUOUS SHEET METAL BEAM BENT ABOUT AN AXIS WHICH IS TRANSVERSE TO THE LONGITUDINAL AXIS OF THE BEAM TO PROVIDE BACK-TO-BACK OPPOSED PORTIONS IN ABUTTING RELATION AND HAVING ENLARGED END PORTIONS SPACED FROM ONE ANOTHER TO PROVIDE TRANSVERSE ASSEMBLY OPENINGS, SAID BACK-TO-BACK PORTIONS OF SAID BEAM BEING SECURED RIGIDLY TOGETHER ADJACENT THE ENDS THEREOF AND BETWEEN THE END PORTIONS THEREOF.
Claim 2
Dependent Claim
64 words
A STRUT COMPRISING A CONTINUOUS SHEET METAL BEAM BENT ABOUT AN AXIS WHICH IS TRANSVERSE TO THE LONGITUDINAL AXIS OF THE BEAM TO PROVIDE BACK-TO-BACK OPPOSED PORTIONS IN ABUTTING RELATION AND HAVING ENLARGED END PORTIONS SPACED FROM ONE ANOTHER TO PROVIDE TRANSVERSE ASSEMBLY OPENINGS, SAID BACK-TO-BACK PORTIONS OF SAID BEAM BEING SECURED RIGIDLY TOGETHER ADJACENT THE ENDS THEREOF AND BETWEEN THE END PORTIONS THEREOF.
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |