US2667202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic bending machine
Assignee: Individual
•
Filing: 1952-09-12
•
Granted: 1954-01-26
•
Expires: 1972-09-12
Abstract
No abstract record available.
Inventors
- 👤 Andrew L Froedge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:36
CPC Classifications
B; B21; B21D; B21D7/00; B21D7/02; B21D7/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US681334A
Cited
DE627458C
Cited
GB471658A
Cited
US2312122A
Cited
US2357873A
Cited
US2411801A
Cited
US2403323A
Cited
GB650038A
Cited
US2469405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |