US3355196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smooth joint for structural sheets and members
Assignee: 3M Co
•
Filing: 1965-12-13
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Granted: 1967-11-28
•
Expires: 1985-12-13
Abstract
No abstract record available.
Inventors
- 👤 George C Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:28
CPC Classifications
B; B27; B27F; B27F1/00; B27F1/16; Y; Y10; Y10T; Y10T403/00; Y10T403/47; Y10T403/55; Y10T403/70; Y10T403/7045
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
A JOINT FOR STRUCTURAL MEMBERS COMPRISING A PAIR OF ABUTTING STRUCTURAL ELEMENTS, EACH ELEMENT HAVING A PLURALITY OF ALTERNATE MORTISES AND TENONS ALONG ITS ABUTTING EDGE, THE MORTISES AND TENONS OF THE TWO PANELS BEING IN STAGGERED RELATION AND INTERFITTING, A CENTRAL PORTION OF EACH EDGE BEING CUT AWAY THROUGHOUT SUBSTANTIALLY THE ENTIRE EXTENT THEREOF TO DEFINE A CUT-OUT PORTION HAVING MORTISES AND TENONS ON EITHER SIDE THEREOF WITH THE DEPTH OF SAID CUT-OUT PORTION BEING SUBSTANTIALLY EQUAL TO THE
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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |