Patent US3248838A successfully refreshed from Google Patents.
US3248838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building panel construction
Assignee: Individual
•
Filing: 1961-06-27
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Granted: 1966-05-03
•
Expires: 1981-06-27
Abstract
No abstract record available.
Inventors
- 👤 Stark Jack Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:47
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0803; E04F13/081; E04F13/0816; E04F13/0819
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
A BUILDING CONSTRUCTION COMPRISING A PANEL OF SHEET MATERIAL HAVING A LONGITUDINAL ELONGATE GROOVE AND A FASTENING DEVICE FOR SECURING SAID PANEL OF SHEET MATERIAL TO A BUILDING WALL STRUCTURE IN SPACED, PARALLEL RELATIONSHIP THERETO, SAID FASTENING DEVICE COMPRISING AN ELONGATED STRIP OF MATERIAL HAVING A BASE MEMBER ADAPTED TO BE SECURED TO SAID BUILDING STRUCTURE AND AN ELONGATED WEB MEMBER PERPENDICULAR TO SAID BASE MEMBER, IMPALING MEANS DISPOSED ADJACENT THE FREE END OF SAID WEB, SAID FREE END OF SAID WEB MEMBER BEING RECEIVED IN SAID GROOVE FOR SLIDABLE MOVEMENT LONGITUDINALLY THEREOF.
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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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |