US2716736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saturable reactor
Assignee: Individual
•
Filing: 1949-12-08
•
Granted: 1955-08-30
•
Expires: 1969-12-08
Abstract
No abstract record available.
Inventors
- 👤 Harold B Rex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:29
CPC Classifications
H; H01; H01F; H01F29/00; H01F29/14; H01F29/146; H01F21/00; H01F21/02; H01F21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US743444A
Cited
US1289418A
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US1287982A
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US1606777A
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US1561782A
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US1935208A
Cited
US2333015A
Cited
US2452529A
Cited
US2474988A
Cited
US2445813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-29 | 1959-02-28 | 1959-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-29 | 1963-02-28 | 1963-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-29 | 1967-02-28 | 1967-08-30 | $7700.00 | Window Closed / Lapsed |