US2680938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for conditioning metal sheets and the like
Assignee: Osborn Manufacturing Corp
•
Filing: 1949-11-09
•
Granted: 1954-06-15
•
Expires: 1969-11-09
Abstract
No abstract record available.
Inventors
- 👤 Ruben O Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:37
CPC Classifications
B; B24; B24B; B24B29/00; B24B29/005; B24B5/00; B24B5/36; B24B5/38; B24B7/00; B24B7/10; B24B7/12; Y; Y10; Y10T; Y10T29/00; Y10T29/45; Y10T29/4517; Y10T29/47
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE49730C
Cited
US293011A
Cited
US361073A
Cited
US451263A
Cited
US550806A
Cited
US743911A
Cited
US869478A
Cited
FR541932A
Cited
US2050777A
Cited
US2223366A
Cited
US2092962A
Cited
US2432828A
Cited
US2335196A
Cited
US2318432A
Cited
US2391499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |