US2565906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for retaining doors ajar
Assignee: Individual
•
Filing: 1949-09-14
•
Granted: 1951-08-28
•
Expires: 1969-09-14
Abstract
No abstract record available.
Inventors
- 👤 Berthene Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:02
CPC Classifications
E; E05; E05F; E05F5/00; E05F5/02; E05F5/04; E05F2005/046; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/224; E05Y2600/00; E05Y2600/50; E05Y2600/52; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10T; Y10T292/00; Y10T292/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |