US2500375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor lock
Assignee: Individual
•
Filing: 1945-03-24
•
Granted: 1950-03-14
•
Expires: 1965-03-24
Abstract
No abstract record available.
Inventors
- 👤 Eric L Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:21
CPC Classifications
E; E05; E05B; E05B73/00; E05B73/007; E05B73/0076; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/411; Y10T70/50; Y10T70/5009; Y10T70/5611; Y10T70/5854; Y10T70/5867
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US568831A
Cited
US1328882A
Cited
DE416843C
Cited
US1473557A
Cited
US1814771A
Cited
US1850602A
Cited
US1919701A
Cited
US2279006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |