Patent US2713683A successfully refreshed from Google Patents.
Patent US3656995A successfully refreshed from Google Patents.
Patent US3049372A successfully refreshed from Google Patents.
US3049372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety door lock
Assignee: Ferro Stamping Co
•
Filing: 1960-01-04
•
Granted: 1962-08-14
•
Expires: 1980-01-04
Abstract
No abstract record available.
Inventors
- 👤 Pickles Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:59
CPC Classifications
E; E05; E05B; E05B77/00; E05B77/22; E05B77/24; E05B77/26; E05B77/265; Y; Y10; Y10S; Y10S292/00; Y10S292/24; Y10S292/65; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/1047; Y10T292/1062; Y10T292/306; Y10T292/308
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) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |