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US3263370A Expired / Lapsed US ⏱️ 0.0 years remaining

Flush-type doors and panels for partitions

Assignee: Individual
•
Filing: 1963-11-06
•
Granted: 1966-08-02
•
Expires: 1983-11-06
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Abstract

No abstract record available.

Inventors

  • 👤 Evidio E Martinez

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 22:52
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/70; E06B3/82; E06B3/822; E06B3/7015; E06B2003/7025; E06B2003/7046; Y; Y10; Y10S; Y10S49/00; Y10S49/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 107 words
A PANEL COMPRISING A MAIN BODY MEMBER COMPRISING A MASS OF COMPACTED INTERCONNECTED FIBRES OF PAPER, SAID MASS BEING THE PRODUCT OF THE PROCESS WHEREIN PAPER IS FIRST THOROUGHLY WETTED WITH WATER, THEN IS FORMED INTO VERY SMALL PIECES, THEN IS STIRRED UNTIL FORMED INTO A THICK FLOWABLE PASTE-LIKE CONSISTENCY, THEN IS COMPRESSED TO REMOVE A PORTION OF THE WATER, AND THEN IS BAKED AT ABOUT 300*F. TO 400*F. FOR ABOUT 4 TO 6 HOURS, SAID BODY MEMBER HAVING OPPOSITE FLAT SPACED SIDES AND BEING SUBSTANTIALLY NON-FLEXIBLE, POROUS AND SLIGHTLY RESILIENTLY COMPRESSIBLE, A FRAME EXTENDING AROUND AND COVERING THE PERIPHERAL EDGE OF SAID BODY MEMBER IN SURFACE-TO-SUR-
Claim 2
Dependent Claim 107 words
A PANEL COMPRISING A MAIN BODY MEMBER COMPRISING A MASS OF COMPACTED INTERCONNECTED FIBRES OF PAPER, SAID MASS BEING THE PRODUCT OF THE PROCESS WHEREIN PAPER IS FIRST THOROUGHLY WETTED WITH WATER, THEN IS FORMED INTO VERY SMALL PIECES, THEN IS STIRRED UNTIL FORMED INTO A THICK FLOWABLE PASTE-LIKE CONSISTENCY, THEN IS COMPRESSED TO REMOVE A PORTION OF THE WATER, AND THEN IS BAKED AT ABOUT 300*F. TO 400*F. FOR ABOUT 4 TO 6 HOURS, SAID BODY MEMBER HAVING OPPOSITE FLAT SPACED SIDES AND BEING SUBSTANTIALLY NON-FLEXIBLE, POROUS AND SLIGHTLY RESILIENTLY COMPRESSIBLE, A FRAME EXTENDING AROUND AND COVERING THE PERIPHERAL EDGE OF SAID BODY MEMBER IN SURFACE-TO-SUR-

References Cited (Backward Citations)

US54171A Cited
US1848715A Cited
US1785661A Cited
US2394492A Cited
US2413497A Cited
US2557412A Cited
US2511620A Cited
US2717062A Cited
US2797450A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-01 1970-01-31 1970-08-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-01 1974-01-31 1974-08-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-01 1978-01-31 1978-08-02 $7700.00 Window Closed / Lapsed

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