US2553892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety switch for motor vehicles
Assignee: Individual
•
Filing: 1948-11-26
•
Granted: 1951-05-22
•
Expires: 1968-11-26
Abstract
No abstract record available.
Inventors
- 👤 Ward V Brugger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:04
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/18; H01H21/04; H01H21/08; H01H21/085; H01H9/00; H01H9/02; H01H9/04; H01H2009/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US992009A
Cited
US1141359A
Cited
US1159668A
Cited
US1265697A
Cited
US1294862A
Cited
US1752236A
Cited
US2104689A
Cited
US2226385A
Cited
US2440943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |