US3496559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Short circuit detector apparatus for electric fences
Assignee: DANIEL T BRUMFIELD
•
Filing: 1967-09-01
•
Granted: 1970-02-17
•
Expires: 1987-09-01
Abstract
No abstract record available.
Inventors
- 👤 Daniel T Brumfield
- 👤 Joseph Maserjian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:05
CPC Classifications
H; H05; H05C; H05C1/00; G; G01; G01R; G01R31/00; G01R31/50; G01R31/52; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/56; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/16; H01H71/161; H02; H02H; H02H3/00; H02H3/02; H02H3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1976721A
Cited
US2801150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |