US2438238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor vehicle door lock
Assignee: Individual
•
Filing: 1944-11-07
•
Granted: 1948-03-23
•
Expires: 1964-11-07
Abstract
No abstract record available.
Inventors
- 👤 Tonkin George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:32
CPC Classifications
E; E05; E05B; E05B77/00; E05B77/52; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0999; Y10T292/1005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1310600A
Cited
US711994A
Cited
US1326956A
Cited
US1790104A
Cited
CH186996A
Cited
US2161930A
Cited
US2261674A
Cited
US2273149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-23 | 1951-09-22 | 1952-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-23 | 1955-09-22 | 1956-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-23 | 1959-09-22 | 1960-03-23 | $7700.00 | Window Closed / Lapsed |