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US2870416A
Expired / Lapsed
US
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Magnetic modulator
Assignee: Honeywell Inc
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Filing: 1956-11-19
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Granted: 1959-01-20
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Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 Robert A Heartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:56
CPC Classifications
H; H01; H01F; H01F30/00; H01F30/06; H01F30/16; H01F38/00; H01F38/02; H01F38/06; H03; H03C; H03C1/00; H03C1/08; H03C1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |