US2940732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barbed metal band and method of forming same
Assignee: Acme Steel Co
•
Filing: 1955-12-07
•
Granted: 1960-06-14
•
Expires: 1975-12-07
Abstract
No abstract record available.
Inventors
- 👤 Chester M Macchesney
- 👤 Allen B Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:43
CPC Classifications
B; B21; B21F; B21F25/00; Y; Y10; Y10T; Y10T29/00; Y10T29/20; Y10T29/207
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US118135A
Cited
US368014A
Cited
US386742A
Cited
US642109A
Cited
CH72789A
Cited
US1454584A
Cited
US1654837A
Cited
US2392223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |