US2476556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stretch-bending machine
Assignee: Briggs Manufacturing Co
•
Filing: 1945-04-14
•
Granted: 1949-07-19
•
Expires: 1965-04-14
Abstract
No abstract record available.
Inventors
- 👤 Paul F Maize
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:55
CPC Classifications
B; B21; B21D; B21D11/00; B21D11/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US537550A
Cited
US1710261A
Cited
US2269549A
Cited
US2255867A
Cited
US2218503A
Cited
US2292731A
Cited
US2305850A
Cited
US2371587A
Cited
US2378413A
Cited
US2357027A
Cited
US2431173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |