US2908484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barbed wire spiral
Assignee: Keller and Knappich GmbH
•
Filing: 1958-04-23
•
Granted: 1959-10-13
•
Expires: 1978-04-23
Abstract
No abstract record available.
Inventors
- 👤 Uhl Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:43
CPC Classifications
E; E04; E04H; E04H17/00; E04H17/02; E04H17/04; E04H17/045; B; B21; B21F; B21F25/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12201; Y10T428/12333
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |