US3562956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding door frame
Assignee: Individual
•
Filing: 1969-11-19
•
Granted: 1971-02-16
•
Expires: 1989-11-19
Abstract
Abstract A SLIDING DOOR FRAME HAVING OPEN, RECTANGULAR CROSS SECTION STILES AND RAILS FOR RESILIENTLY HOLDING A DOOR PANEL IN PLACE IN THE FRAME AND BRACKETS WITH SPACED CHANNEL PORTIONS DISPOSED WITHIN THE STILES AND RAILS WHICH TOGETHER WITH CORNER HANGER AND GUIDE PLATES SECURE THE STILES TO THE RAILS.
Inventors
- 👤 Leonard E Johnson Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:47
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; 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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |