US2494852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric control
Assignee: Individual
•
Filing: 1945-09-26
•
Granted: 1950-01-17
•
Expires: 1965-09-26
Abstract
No abstract record available.
Inventors
- 👤 William E Winterhalter
- 👤 Edwin E Vonada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:16
CPC Classifications
C; C25; C25D; C25D21/00; C25D21/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2019352A
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US2325401A
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US2278151A
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US2404948A
Cited
US2374012A
Cited
US2374199A
Cited
US2455997A
Cited
US2465254A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |