Patent US3478547A successfully refreshed from Google Patents.
US3478547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luggage locks
Assignee: CW Cheney and Son Ltd
•
Filing: 1967-06-09
•
Granted: 1969-11-18
•
Expires: 1987-06-09
Abstract
No abstract record available.
Inventors
- 👤 Eric Frederick Constable
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:32
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/52; E05B65/5207; E05B65/5246; E05B65/5269; Y; Y10; Y10S; Y10S292/00; Y10S292/49; Y10T; Y10T292/00; Y10T292/08; Y10T292/087; Y10T292/0871; Y10T70/00; Y10T70/50; Y10T70/5009; Y10T70/5031; Y10T70/5058; Y10T70/5066
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3169788A
Cited
US3031874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |