US3619947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corner fastener and roller assembly for sliding door frames
Assignee: Individual
•
Filing: 1970-02-12
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Granted: 1971-11-16
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Expires: 1990-02-12
Abstract
Abstract A ONE-PIECE CORNER FASTENER FOR SECURING THE STILE AND RAIL TOGETHER OF A SLIDING DOOR FRAME, THE CORNER FASTENER BEING MADE OF PLASTIC AND HAVING AN INTEGRAL ROLLERCARRYING ARM WITH SUFFICIENT RESILIENCY TO YIELDINGLY HOLD THE ROLLER IN ENGAGEMENT WITH A DOOR FRAME GUIDING TRACK. ADJUSTABLE STOP MEANS LIMITS THE EXTENT OF MOVEMENT OF THE ROLLER AWAY FROM THE DOOR FRAME GUIDING TRACK.
Inventors
- 👤 Harold J Burum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:03
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/066; E05D15/0665; E05D15/0669; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |