US2869049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic control device
Assignee: Baso Inc
•
Filing: 1954-04-13
•
Granted: 1959-01-13
•
Expires: 1974-04-13
Abstract
No abstract record available.
Inventors
- 👤 Gerald E Dietz
- 👤 Adolph J Hilgert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:48
CPC Classifications
H; H01; H01H; H01H53/00; H01H53/01; H01H53/015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US895242A
Cited
US1163070A
Cited
US2076879A
Cited
US2263819A
Cited
US2610259A
Cited
US2506234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |