US2750622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guide rail assembly for sliding doors
Assignee: Individual
•
Filing: 1953-09-08
•
Granted: 1956-06-19
•
Expires: 1973-09-08
Abstract
No abstract record available.
Inventors
- 👤 Stark Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:50
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/0626; E05D15/0656; E05D15/08; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/684; E05Y2600/00; E05Y2600/40; E05Y2600/45; E05Y2600/46; E05Y2800/00; E05Y2800/20; E05Y2800/22; E05Y2800/37; E05Y2800/372; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR332029A
Cited
US2051448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |