US2718675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible sash hardware
Assignee: Individual
•
Filing: 1951-07-16
•
Granted: 1955-09-27
•
Expires: 1971-07-16
Abstract
No abstract record available.
Inventors
- 👤 John M Olsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:58
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/28; E05D15/30; E05Y; E05Y2800/00; E05Y2800/74; E05Y2800/742; E05Y2800/744
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1005344A
Cited
US1124671A
Cited
US1256840A
Cited
US1271380A
Cited
US1443933A
Cited
US1973565A
Cited
US2362730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |