US2947201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for wire drawing machines, rolling mills, etc.
Assignee: Individual
•
Filing: 1953-12-23
•
Granted: 1960-08-02
•
Expires: 1973-12-23
Abstract
No abstract record available.
Inventors
- 👤 Lofberg Birger David Sigvard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:38
CPC Classifications
B; B21; B21C; B21C1/00; B21C1/02; B21C1/12; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19093
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US712528A
Cited
US994631A
Cited
GB121826A
Cited
US1441707A
Cited
US1728899A
Cited
US2062723A
Cited
US2138126A
Cited
GB584510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |