US2655398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device for doorknor locks
Assignee: BELIE IND Inc
•
Filing: 1950-05-05
•
Granted: 1953-10-13
•
Expires: 1970-05-05
Abstract
No abstract record available.
Inventors
- 👤 Lester W Birbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:05
CPC Classifications
E; E05; E05B; E05B55/00; E05B55/005; Y; Y10; Y10T; Y10T292/00; Y10T292/88; Y10T292/91; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5757; Y10T70/5765; Y10T70/5805; Y10T70/80; Y10T70/8432; Y10T70/8568
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE355578C
Cited
US1424686A
Cited
US1653513A
Cited
US1633183A
Cited
US1883119A
Cited
US2104403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |