US3370716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knockdown filing rack
Assignee: Individual
•
Filing: 1966-04-18
•
Granted: 1968-02-27
•
Expires: 1986-04-18
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Natalis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:39
CPC Classifications
A; A47; A47B; A47B47/00; A47B47/04; A47B47/042; A47F; A47F5/00; A47F5/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
126 words
A KNOCKDOWN STORAGE UNIT COMPRISING AN ELONGATED BOTTOM MEMBER AND A FRONT PANEL MEMBER OF EXTRUDED MATERIAL, SAID BOTTOM MEMBER AND SAID FRONT PANEL MEMBER HAVING THE SAME TRANSVERSE CROSS SECTION, THE ELONGATED SIDE EDGES OF SAID MEMBERS HAVING A RECESSED PORTION EXTENDING FROM ONE SURFACE AND PROVIDING A SHOULDER, SAID MEMBERS HAVING SLOTS EXTENDING AT AN ANGLE FROM EACH OF SIAD SHOULDERS AND OPENING UP ON SAID SHOULDERS, SAID BOTTOM MEMBER AND SAID FRONT PANEL MEMBER HAVING ABUTTING ENDS, SIDE PANEL MEMBERS OF SHEET MATERIAL FORMING THE SIDES OF SAID UNIT, TWO ADJACENT EDGES OF SAID SIDE PANELS HAVING INTURNED FLANGES ENGAGED IN SAID SLOTS, THE FLANGED EDGES OF SAID PANELS ENGAGING SAID SHOULDERS, SAID FLANGES TERMINATING SHORT OF EACH OTHER AT THEIR ADJACENT ENDS.
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) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |