Patent US3349537A successfully refreshed from Google Patents.
US3349537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced structural member
Assignee: Individual
•
Filing: 1965-08-12
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Granted: 1967-10-31
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Expires: 1985-08-12
Abstract
No abstract record available.
Inventors
- 👤 Hopfeld Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:29
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0003; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/20; B29C70/88; B29C70/887; E; E04; E04C; E04C3/00; E04C3/02; E04C3/29; B29K; B29K2105/00; B29L; B29L2031/00; B29L2031/001; B29L2031/003; B29L2031/005; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49634
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A STRUCTURAL MEMBER COMPRISING (A) A METAL BODY, (B) A LONGITUDINAL FLANGE ALONG ONE EDGE OF SAID BODY, (C) WALLS OF SAID FLANGE DEFINING A LONGITUDINAL RECESS IN SAID FLANGE, (D) THE WALL OF SAID FLANGE ADJACENT SAID EDGE OF SAID BODY BEING THE BOTTOM WALL OF SAID RECESS, (E) SIDE WALLS EXTENDED FROM SAID BOTTOM WALL, (F) A COVER WALL FOLDED INWARDLY FROM AT LEAST ONE OF SAID SIDE WALLS TO FORM THE TOP OF SAID RECESS, (G) STRANDED REINFORCING FILLER LONGITUDINALLY ORIENTED IN SAID RECESS AND COMPACTED BY THE FOLDING OF SAID COVER WALL OVER SAID RECESS, (H) A LONGITUDINAL HOOK FLANGE ALONG THE FREE EDGE OF SAID COVER WALL PROJECTING INTO SAID RECESS AND INTO THE COMPACTED STRANDED FILLER.
Claim 2
Dependent Claim
122 words
A STRUCTURAL MEMBER COMPRISING (A) A METAL BODY, (B) A LONGITUDINAL FLANGE ALONG ONE EDGE OF SAID BODY, (C) WALLS OF SAID FLANGE DEFINING A LONGITUDINAL RECESS IN SAID FLANGE, (D) THE WALL OF SAID FLANGE ADJACENT SAID EDGE OF SAID BODY BEING THE BOTTOM WALL OF SAID RECESS, (E) SIDE WALLS EXTENDED FROM SAID BOTTOM WALL, (F) A COVER WALL FOLDED INWARDLY FROM AT LEAST ONE OF SAID SIDE WALLS TO FORM THE TOP OF SAID RECESS, (G) STRANDED REINFORCING FILLER LONGITUDINALLY ORIENTED IN SAID RECESS AND COMPACTED BY THE FOLDING OF SAID COVER WALL OVER SAID RECESS, (H) A LONGITUDINAL HOOK FLANGE ALONG THE FREE EDGE OF SAID COVER WALL PROJECTING INTO SAID RECESS AND INTO THE COMPACTED STRANDED FILLER.
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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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |