Patent US5868708A successfully refreshed from Google Patents.
Patent US2183493A successfully refreshed from Google Patents.
US2695402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic safety switch
Assignee: GUILD LE LACHEUR
•
Filing: 1950-06-05
•
Granted: 1954-11-23
•
Expires: 1970-06-05
Abstract
No abstract record available.
Inventors
- 👤 Gray Alfred Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:46
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/22; G08B13/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1870181A
Cited
US1905332A
Cited
US2312303A
Cited
US2386942A
Cited
US2432390A
Cited
US2518380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |