US2883850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knob locking device
Assignee: Individual
•
Filing: 1955-05-05
•
Granted: 1959-04-28
•
Expires: 1975-05-05
Abstract
No abstract record available.
Inventors
- 👤 Falck James Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:24
CPC Classifications
E; E05; E05B; E05B13/00; E05B13/001; Y; Y10; Y10S; Y10S292/00; Y10S292/02; Y10T; Y10T292/00; Y10T292/82; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5854; Y10T70/5867; Y10T70/80
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) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |