US2741794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-aligning adjustable hanger for sliding door
Assignee: Individual
•
Filing: 1952-01-09
•
Granted: 1956-04-17
•
Expires: 1972-01-09
Abstract
No abstract record available.
Inventors
- 👤 Pearson Olaf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:28
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)
DE203935C
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US862561A
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US1742256A
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US2286573A
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US2410892A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |