Patent US3138830A successfully refreshed from Google Patents.
US3138830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding doors
Assignee: Individual
•
Filing: 1962-07-30
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Granted: 1964-06-30
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Expires: 1982-07-30
Abstract
No abstract record available.
Inventors
- 👤 Scharge Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:08
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/10; E05D15/1042; E05D15/0621; E05D15/066; E05D15/1021; E05D15/0678; E05D2015/1052; E05Y; E05Y2201/00; E05Y2201/40; E05Y2201/404; E05Y2201/41; E05Y2201/412; E05Y2900/00; E05Y2900/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
246 words
A CABINET AND THE LIKE HAVING A FRONT WALL AND AN OPENING IN SAID FRONT WALL, A DEPENDING PORTION EXTENDING DOWNWARDLY AT THE UPPER PORTION OF SAID OPENING, SAID FRONT WALL HAVING INCLINED SLOTTED PORTIONS AT SAID UPPER AND LOWER PORTION OF SAID OPENING, SAID SLOTTED PORTIONS BEING FURTHEST APART AT THEIR FORWARD PORTION, SHOULDER MEANS MOUNTED AT THE FORWARD AND REAR PORTIONS OF SAID SLOTTED PORTIONS, A PLURALITY OF SLIDING DOORS POSITIONED IN SAID OPENING, SAID DOORS LYING IN A PLANE SUBSTANTIALLY FLUSH WITH SAID FRONT WALL, SAID SLOTTED PORTIONS BEING OF SUCH WIDTH TO RECEIVE SAID DOORS IN OVERLAPPING RELATION, EACH OF SAID DOORS HAVING A ROLLER SUPPORTING BRACKET MOUNTED ON THE LOWER EDGE, SPHERICAL ROLLERS MOUNTED ON SAID BRACKETS ENGAGING SAID LOWER SLOTTED PORTION, BRACKET MEANS SLIDABLY MOUNTED ON THE UPPER EDGE OF EACH OF SAID DOORS, A PLURALITY OF SPHERICAL ROLLERS MOUNTED ON SAID BRACKET MEANS AND ENGAGING SAID UPPER SLOTTED PORTION REARWARDLY EXTENDING FLANGE MEANS MOUNTED ON SAID BRACKET AND SAID BRACKET MEANS ENGAGING SAID SPHERICAL ROLLERS OF AN OVERLAPPING DOOR AND PREVENTING SAID DOORS FROM ENGAGING EACH OTHER, RESILIENT MEANS ENGAGING SAID BRACKET MEANS AND YIELDINGLY URGING SAID SPHERICAL ROLLERS IN CONTACT RELATION WITH SAID SLOTTED PORTIONS AND COMPELLING SAID DOORS TO SLIDE FORWARDLY IN SAID INCLINED SLOTTED PORTIONS WHEREBY ADJACENT DOORS BEING POSITIONED OUT OF OVERLAPPING RELATION WITH EACH OTHER, ONE OF SAID DOORS WILL SLIDE FORWARDLY IN SAID SLOTS INTO COPLANAR RELATION WITH THE OTHER OF SAID DOORS.
Claim 2
Dependent Claim
246 words
A CABINET AND THE LIKE HAVING A FRONT WALL AND AN OPENING IN SAID FRONT WALL, A DEPENDING PORTION EXTENDING DOWNWARDLY AT THE UPPER PORTION OF SAID OPENING, SAID FRONT WALL HAVING INCLINED SLOTTED PORTIONS AT SAID UPPER AND LOWER PORTION OF SAID OPENING, SAID SLOTTED PORTIONS BEING FURTHEST APART AT THEIR FORWARD PORTION, SHOULDER MEANS MOUNTED AT THE FORWARD AND REAR PORTIONS OF SAID SLOTTED PORTIONS, A PLURALITY OF SLIDING DOORS POSITIONED IN SAID OPENING, SAID DOORS LYING IN A PLANE SUBSTANTIALLY FLUSH WITH SAID FRONT WALL, SAID SLOTTED PORTIONS BEING OF SUCH WIDTH TO RECEIVE SAID DOORS IN OVERLAPPING RELATION, EACH OF SAID DOORS HAVING A ROLLER SUPPORTING BRACKET MOUNTED ON THE LOWER EDGE, SPHERICAL ROLLERS MOUNTED ON SAID BRACKETS ENGAGING SAID LOWER SLOTTED PORTION, BRACKET MEANS SLIDABLY MOUNTED ON THE UPPER EDGE OF EACH OF SAID DOORS, A PLURALITY OF SPHERICAL ROLLERS MOUNTED ON SAID BRACKET MEANS AND ENGAGING SAID UPPER SLOTTED PORTION REARWARDLY EXTENDING FLANGE MEANS MOUNTED ON SAID BRACKET AND SAID BRACKET MEANS ENGAGING SAID SPHERICAL ROLLERS OF AN OVERLAPPING DOOR AND PREVENTING SAID DOORS FROM ENGAGING EACH OTHER, RESILIENT MEANS ENGAGING SAID BRACKET MEANS AND YIELDINGLY URGING SAID SPHERICAL ROLLERS IN CONTACT RELATION WITH SAID SLOTTED PORTIONS AND COMPELLING SAID DOORS TO SLIDE FORWARDLY IN SAID INCLINED SLOTTED PORTIONS WHEREBY ADJACENT DOORS BEING POSITIONED OUT OF OVERLAPPING RELATION WITH EACH OTHER, ONE OF SAID DOORS WILL SLIDE FORWARDLY IN SAID SLOTS INTO COPLANAR RELATION WITH THE OTHER OF SAID DOORS.
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) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |