US2617646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Releasable window sash locking device
Assignee: Individual
•
Filing: 1948-02-16
•
Granted: 1952-11-11
•
Expires: 1968-02-16
Abstract
No abstract record available.
Inventors
- 👤 Horace A Stukes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:48
CPC Classifications
E; E05; E05F; E05F1/00; E05F1/002; E05F1/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1107446A
Cited
US1187381A
Cited
DE324417C
Cited
US1799872A
Cited
US1994940A
Cited
US2083450A
Cited
US2441230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |