US2494410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control device
Assignee: Individual
•
Filing: 1947-10-13
•
Granted: 1950-01-10
•
Expires: 1967-10-13
Abstract
No abstract record available.
Inventors
- 👤 Robert J Scheidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:23
CPC Classifications
B; B21; B21J; B21J7/00; B21J7/20; B21J7/46; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20189
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US696973A
Cited
US769700A
Cited
US854050A
Cited
US963138A
Cited
US1378146A
Cited
US1775038A
Cited
US1953230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |