US3463455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Helical barbed tape unit
Assignee: AMERICAN SECURITY FENCE Corp A CORP OF ARIZONA
•
Filing: 1968-07-01
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Granted: 1969-08-26
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Expires: 1988-07-01
Abstract
No abstract record available.
Inventors
- 👤 Paul T Meckel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:44
CPC Classifications
E; E04; E04H; E04H17/00; E04H17/02; E04H17/04; E04H17/045; B; B21; B21F; B21F25/00; F; F41; F41H; F41H11/00; F41H11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2349750A
Cited
US3010701A
Cited
US2910256A
Cited
US3070946A
Cited
US3155374A
Cited
US3224736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |