US2420146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking and ejecting device
Assignee: Individual
•
Filing: 1945-09-21
•
Granted: 1947-05-06
•
Expires: 1965-09-21
Abstract
No abstract record available.
Inventors
- 👤 Mueller Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:30
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/34; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1241; Y10T279/17; Y10T279/17761; Y10T279/17769; Y10T279/34; Y10T279/3481; Y10T83/00; Y10T83/929; Y10T83/9457; Y10T83/9473; Y10T83/9476
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE18395E
Cited
US964416A
Cited
US1262185A
Cited
US1569136A
Cited
FR630076A
Cited
US1809308A
Cited
US2215015A
Cited
US2169921A
Cited
US2320397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-05 | 1950-11-04 | 1951-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-05 | 1954-11-04 | 1955-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-05 | 1958-11-04 | 1959-05-06 | $7700.00 | Window Closed / Lapsed |