US3092170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic door
Assignee: Individual
•
Filing: 1959-07-22
•
Granted: 1963-06-04
•
Expires: 1979-07-22
Abstract
No abstract record available.
Inventors
- 👤 William L Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:53
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/02; E06B9/08; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/611; E05F15/614; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/214; E05Y2201/216; E05Y2201/23; E05Y2201/246; E05Y2201/40; E05Y2201/404; E05Y2201/422; E05Y2201/46; E05Y2201/462; E05Y2800/00; E05Y2800/25; E05Y2800/252; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A DOOR INSTLLATION COMPRISING A WALL WITH A DOOR OPENING, A CONTINUOUS HORIZONTAL TRACK HAVING A SPIRAL SECTION AT ONE SIDE OF SAID DOOR OPENING AND A CONNECTING SECTION EXTENDING ABOVE THE DOOR OPENING, A HORIZONTALLY FLEXIBLE SLIDING DOOR, MEANS SUSPENDED FROM BOTH SECTIONS OF SAID TRACK SUPPORTING SAID DOOR SUBSTANTIALLY ACROSS ITS ENTIRE WIDTH FOR ALTERNATING MOVEMENT BETWEEN SAID SECTIONS, A LOWER MATCHING VERTICALLY ALIGNED HORIZONTAL GUIDE TRACK ENGAGED BY AT LEAST A PORTION OF THE LOWER EDGE OF SAID DOOR THROUGHOUT ITS MOVEMENT, A VERTICAL TUBULAR PILLAR HOUSING EXTENDING BETWEEN THE UPPER AND LOWER SPIRAL TRACK SECTIONS HAVING A VERTICAL SLOTTED OPENING FOR PASSAGE OF THE DOOR AND SURROUNDING ANY PORTION OF THE DOOR IN ROLLED ENGAGEMENT WITH SAID SPIRAL TRACK SECTIONS, THE UPPER AND LOWER RACK SECTIONS AND VERTICAL PILLAR HOUSING BEING CONSTRUCTED AS A RIGID C FRAME ASSEMBLY, FIXED MEANS FOR PIVOTALLY MOUNTING THE UPPER AND LOWER
Claim 2
Dependent Claim
151 words
A DOOR INSTLLATION COMPRISING A WALL WITH A DOOR OPENING, A CONTINUOUS HORIZONTAL TRACK HAVING A SPIRAL SECTION AT ONE SIDE OF SAID DOOR OPENING AND A CONNECTING SECTION EXTENDING ABOVE THE DOOR OPENING, A HORIZONTALLY FLEXIBLE SLIDING DOOR, MEANS SUSPENDED FROM BOTH SECTIONS OF SAID TRACK SUPPORTING SAID DOOR SUBSTANTIALLY ACROSS ITS ENTIRE WIDTH FOR ALTERNATING MOVEMENT BETWEEN SAID SECTIONS, A LOWER MATCHING VERTICALLY ALIGNED HORIZONTAL GUIDE TRACK ENGAGED BY AT LEAST A PORTION OF THE LOWER EDGE OF SAID DOOR THROUGHOUT ITS MOVEMENT, A VERTICAL TUBULAR PILLAR HOUSING EXTENDING BETWEEN THE UPPER AND LOWER SPIRAL TRACK SECTIONS HAVING A VERTICAL SLOTTED OPENING FOR PASSAGE OF THE DOOR AND SURROUNDING ANY PORTION OF THE DOOR IN ROLLED ENGAGEMENT WITH SAID SPIRAL TRACK SECTIONS, THE UPPER AND LOWER RACK SECTIONS AND VERTICAL PILLAR HOUSING BEING CONSTRUCTED AS A RIGID C FRAME ASSEMBLY, FIXED MEANS FOR PIVOTALLY MOUNTING THE UPPER AND LOWER
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |