US2422012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric fence impulse control system
Assignee: Individual
•
Filing: 1944-04-06
•
Granted: 1947-06-10
•
Expires: 1964-04-06
Abstract
No abstract record available.
Inventors
- 👤 Lyman E Greenlee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:47
CPC Classifications
H; H05; H05C; H05C1/00; H05C1/04; H05C1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1483005A
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US1738299A
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US2023835A
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US2090199A
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US2172050A
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US2198715A
Cited
US2210211A
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US2229856A
Cited
US2350290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-09 | 1950-12-09 | 1951-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-09 | 1954-12-09 | 1955-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-09 | 1958-12-09 | 1959-06-10 | $7700.00 | Window Closed / Lapsed |