US2721891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric fence wire supporting post
Assignee: Individual
•
Filing: 1950-08-30
•
Granted: 1955-10-25
•
Expires: 1970-08-30
Abstract
No abstract record available.
Inventors
- 👤 Paul M Kersten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:51
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/14; H01B17/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US255800A
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US737027A
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US2228196A
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US2269996A
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US2350290A
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US2396512A
Cited
US2386129A
Cited
US2502882A
Cited
US2450730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-24 | 1959-04-25 | 1959-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-24 | 1963-04-25 | 1963-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-24 | 1967-04-25 | 1967-10-25 | $7700.00 | Window Closed / Lapsed |