US2533068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicator and control device
Assignee: Individual
•
Filing: 1947-02-28
•
Granted: 1950-12-05
•
Expires: 1967-02-28
Abstract
No abstract record available.
Inventors
- 👤 Charles F Thiele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:22
CPC Classifications
G; G05; G05F; G05F1/00; Y; Y10; Y10S; Y10S116/00; Y10S116/06; Y10S388/00; Y10S388/923; Y10S388/924
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1446656A
Cited
US1916737A
Cited
US1719492A
Cited
US1881150A
Cited
US1819439A
Cited
US1970442A
Cited
US2202197A
Cited
US2261495A
Cited
US2246905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |