Patent FR1455991A successfully refreshed from Google Patents.
US3221453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall system
Assignee: Individual
•
Filing: 1962-06-21
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Granted: 1965-12-07
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Expires: 1982-06-21
Abstract
No abstract record available.
Inventors
- 👤 Harold E Lietaert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:47
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/88; E04B2/96; E04B2/965
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A WALL SYSTEM COMPRISING: A PLURALITY OF HORIZONTALLY AND VERTICALLY DISPOSED HOLLOW CORE FRAME MEMBERS DEFINING FRAMEWORK OPENINGS, EACH OF SAID FRAME MEMBERS HAVING ATTACHING SURFACES; CONNECTING MEANS SECURING SAID FRAME MEMBERS TOGETHER, SAID WALL SYSTEM HAVING AN INSIDE PORTION AND AN OUTSIDE PORTION; PANEL MEANS POSITIONED WITHIN THE OPENINGS IN THE FRAME WORK; MEANS MAINTAINING SAID PANEL MEMBERS IN POSITION; WEEP HOLES EXTENDING FROM THE UPPER SURFACE OF EACH OF SAID HORIZONTALLY DISPOSED FRAME MEMBERS TO THE HOLLOW CORE THEREOF ALONG THE INSIDE PORTION OF SAID WALL SYSTEM; MEANS LIMITING FLUID COMMUNICATION BETWEEN THE HOLLOW CORE OF EACH HORIZONTALLY DISPOSED FRAME MEMBER AND THE ATTACHING SURFACE OF EACH ADJACENT VERTICALLY DISPOSED FRAME MEMBER TO ONLY THE OUTSIDE PORTION OF SAID WALL SYSTEM, SAID LAST-MENTIONED MEANS INCLUDING SEALING MEANS ESTENDING BETWEEN SAID HOLLOW CORE OF EACH OF SAID HORIZONTALLY DISPOSED FRAME MEMBERS AND THE ATTACHING SURFACE OF EACH
Claim 2
Dependent Claim
148 words
A WALL SYSTEM COMPRISING: A PLURALITY OF HORIZONTALLY AND VERTICALLY DISPOSED HOLLOW CORE FRAME MEMBERS DEFINING FRAMEWORK OPENINGS, EACH OF SAID FRAME MEMBERS HAVING ATTACHING SURFACES; CONNECTING MEANS SECURING SAID FRAME MEMBERS TOGETHER, SAID WALL SYSTEM HAVING AN INSIDE PORTION AND AN OUTSIDE PORTION; PANEL MEANS POSITIONED WITHIN THE OPENINGS IN THE FRAME WORK; MEANS MAINTAINING SAID PANEL MEMBERS IN POSITION; WEEP HOLES EXTENDING FROM THE UPPER SURFACE OF EACH OF SAID HORIZONTALLY DISPOSED FRAME MEMBERS TO THE HOLLOW CORE THEREOF ALONG THE INSIDE PORTION OF SAID WALL SYSTEM; MEANS LIMITING FLUID COMMUNICATION BETWEEN THE HOLLOW CORE OF EACH HORIZONTALLY DISPOSED FRAME MEMBER AND THE ATTACHING SURFACE OF EACH ADJACENT VERTICALLY DISPOSED FRAME MEMBER TO ONLY THE OUTSIDE PORTION OF SAID WALL SYSTEM, SAID LAST-MENTIONED MEANS INCLUDING SEALING MEANS ESTENDING BETWEEN SAID HOLLOW CORE OF EACH OF SAID HORIZONTALLY DISPOSED FRAME MEMBERS AND THE ATTACHING SURFACE OF EACH
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |