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
Abstract
No abstract record available.
Inventors
- 👤 Evidio E Martinez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:44
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-
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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) | 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 |