US3113373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for manufacture of riveted plate girders
Assignee: Lukens Steel Co
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Filing: 1961-12-21
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Granted: 1963-12-10
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Expires: 1981-12-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Raymond A Guyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:38
CPC Classifications
B; B23; B23B; B23B41/00; B23B41/003; B23B41/006; B21; B21D; B21D47/00; B21D47/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49634; Y10T29/49826; Y10T29/49828; Y10T29/49947; Y10T29/49954; Y10T29/49956; Y10T29/49972; Y10T29/49995; Y10T29/49996
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A METHOD OF FABRICATING PLATE GIRDERS WHICH COMPRISES THE STEPS OF PLACING A WEB PLATE ON A SUPPORTING MEANS IN A SUBSTANTIALLY HORIZONTAL PLANE, TEMPORARILY ATTACHING A PLURALITY OF FLANGE ANGLES AND STIFFENER ANGLES TO THE UPPER SURFACE OF SAID WEB PLATE, RAISING SAID WEB PLATE FROM SAID SUPPORTING MEANS AND ROTATING THE SAME SUBSTANTIALLY 180* ON THE LONGITUDINAL AXIS OF SAID WEB PLATE, LOWERING THE ASSEMBLY TO THE SUPPORTING MEANS,
Claim 2
Independent Claim
71 words
A METHOD OF FABRICATING PLATE GIRDERS WHICH COMPRISES THE STEPS OF PLACING A WEB PLATE ON A SUPPORTING MEANS IN A SUBSTANTIALLY HORIZONTAL PLANE, TEMPORARILY ATTACHING A PLURALITY OF FLANGE ANGLES AND STIFFENER ANGLES TO THE UPPER SURFACE OF SAID WEB PLATE, RAISING SAID WEB PLATE FROM SAID SUPPORTING MEANS AND ROTATING THE SAME SUBSTANTIALLY 180* ON THE LONGITUDINAL AXIS OF SAID WEB PLATE, LOWERING THE ASSEMBLY TO THE SUPPORTING MEANS,
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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) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |