US2805448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making composite structural members
Assignee: Individual
•
Filing: 1955-06-10
•
Granted: 1957-09-10
•
Expires: 1975-06-10
Abstract
No abstract record available.
Inventors
- 👤 Rubenstein David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:54
CPC Classifications
E; E04; E04C; E04C1/00; E04C1/40; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/68; B29C70/78; B32; B32B; B32B27/00; B29K; B29K2067/00; B29K2067/06; B29K2709/00; B29K2709/06; B29L; B29L2031/00; B29L2031/10; B29L2031/102; E04B; E04B2/00; E04B2/02; E04B2002/0256; E04B2002/0286; Y; Y10; Y10S; Y10S52/00; Y10S52/07; Y10T; Y10T29/00; Y10T29/49; Y10T29/49801
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE METHOD OF MAKING A COMPOSITE STRUCTURAL MEMBER WHICH COMPRISES DRESSING A PART OF A BODY OF CONCRETE OR THE LIKE PORUS STRUCTURAL MATERIAL TO GIVE A FACE TRULY CONFORMING TO A PREDETERMINED SURFACE AND TO LEAVE OPEN A SUBSTANTIAL NUMBER OF PORES ADJOINING SAID SURFACE, AP PLYING TO SAID SURFACE A FLOWABLE MATERIAL POLYMERIZABLE TO A HIGH STRENGTH RESIN AND A MAT OF HIGH STRENGTH FIBER AND PRESSING THE RESULTING ASSEMBLY IN A MOLD HAVING ITS FACE SUBSTANTIALLY EQUIDISTANT THROUGHOUT FROM SAID DRESSED SURFACE UNTIL SAID PLYMERIZABLE MATERIAL IS FILLED INTO SAID OPEN PORES AND POYLMERIZING SAID MATERIAL.
Claim 2
Independent Claim
99 words
THE METHOD OF MAKING A COMPOSITE STRUCTURAL MEMBER WHICH COMPRISES DRESSING A PART OF A BODY OF CONCRETE OR THE LIKE PORUS STRUCTURAL MATERIAL TO GIVE A FACE TRULY CONFORMING TO A PREDETERMINED SURFACE AND TO LEAVE OPEN A SUBSTANTIAL NUMBER OF PORES ADJOINING SAID SURFACE, AP PLYING TO SAID SURFACE A FLOWABLE MATERIAL POLYMERIZABLE TO A HIGH STRENGTH RESIN AND A MAT OF HIGH STRENGTH FIBER AND PRESSING THE RESULTING ASSEMBLY IN A MOLD HAVING ITS FACE SUBSTANTIALLY EQUIDISTANT THROUGHOUT FROM SAID DRESSED SURFACE UNTIL SAID PLYMERIZABLE MATERIAL IS FILLED INTO SAID OPEN PORES AND POYLMERIZING SAID MATERIAL.
References Cited (Backward Citations)
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Cited
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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) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |