US2579700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for stripping sheet metal
Assignee: JOSHUA BIGWOOD AND SON Ltd
•
Filing: 1950-07-05
•
Granted: 1951-12-25
•
Expires: 1970-07-05
Abstract
No abstract record available.
Inventors
- 👤 Picton John Burley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:20
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/02; B21C47/04; B21C47/06; B21C47/006
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2268125A
Cited
US2249379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |