Patent US2597583A successfully refreshed from Google Patents.
US2597583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
French window lock
Assignee: Individual
•
Filing: 1948-06-18
•
Granted: 1952-05-20
•
Expires: 1968-06-18
Abstract
No abstract record available.
Inventors
- 👤 Neil O Holmsten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:26
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/02; E05C3/04; E05C3/041; E05C3/043; E05B; E05B13/00; E05B13/002; E05B67/00; E05B67/38; E05B67/383; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5146; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5345; Y10T70/5611; Y10T70/569; Y10T70/5717; Y10T70/5721; Y10T70/5726; Y10T70/5757; Y10T70/5765; Y10T70/577; Y10T70/5774; Y10T70/5779
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1285093A
Cited
US1582498A
Cited
US1683649A
Cited
US1850602A
Cited
FR802682A
Cited
US2107056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |