Patent US3383976A successfully refreshed from Google Patents.
US3383976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw anchor with inclined fins
Assignee: Glarex AG
•
Filing: 1966-01-10
•
Granted: 1968-05-21
•
Expires: 1986-01-10
Abstract
No abstract record available.
Inventors
- 👤 Schenkel Willi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:26
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/001; F16B13/12; F16B13/124; Y; Y10; Y10S; Y10S411/00; Y10S411/913
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1182015A
Cited
DE710238C
Cited
US3094892A
Cited
US3199398A
Cited
FR1346754A
Cited
FR1342218A
Cited
US3283642A
Cited
FR1367208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |