US2548427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus for periodically operating machines
Assignee: Loewy Engineering Co Ltd
•
Filing: 1945-06-13
•
Granted: 1951-04-10
•
Expires: 1965-06-13
Abstract
No abstract record available.
Inventors
- 👤 Fernbach Hans Rainer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:58
CPC Classifications
B; B23; B23D; B23D36/00; B23D36/0008; B23D36/0033; B23D36/0058; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4653; Y10T83/4685; Y10T83/4766; Y10T83/4795; Y10T83/626; Y10T83/637
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1902604A
Cited
US2070537A
Cited
US2093287A
Cited
US2274452A
Cited
US2228896A
Cited
US2394324A
Cited
US2379682A
Cited
US2394558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |