US3383076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barricade tensioning stanchion
Assignee: VAN ZELM ASSOCIATES Inc
•
Filing: 1966-02-11
•
Granted: 1968-05-14
•
Expires: 1986-02-11
Abstract
No abstract record available.
Inventors
- 👤 Willem D Van Zelm
- 👤 Martin A Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:07
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/02; B64F1/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3128972A
Cited
US2854201A
Cited
FR1159730A
Cited
US2913197A
Cited
FR1222670A
Cited
US3087584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |