US2111687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic locking means for motor vehicles
Assignee: RALPH C P LODGE
•
Filing: 1937-02-20
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Granted: 1938-03-22
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Expires: 1957-02-20
Abstract
No abstract record available.
Inventors
- 👤 David E Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:46
CPC Classifications
E; E05; E05B; E05B77/00; E05B77/46; E05B77/50; Y; Y10; Y10S; Y10S292/00; Y10S292/03; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0834; Y10T292/0836; Y10T292/096; Y10T292/1014; Y10T292/1021; Y10T70/00; Y10T70/60; Y10T70/625; Y10T70/65; Y10T70/70; Y10T70/7441
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-03-21 | 1941-09-20 | 1942-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-03-21 | 1945-09-20 | 1946-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-03-21 | 1949-09-20 | 1950-03-22 | $7700.00 | Window Closed / Lapsed |