US913841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming tins.
Assignee: Individual
•
Filing: 1907-09-11
•
Granted: 1909-03-02
•
Expires: 1927-09-11
Abstract
No abstract record available.
Inventors
- 👤 Soeren Opsal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:49
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/02; B21D28/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1912-03-01 | 1912-08-31 | 1913-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-03-01 | 1916-08-31 | 1917-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-03-01 | 1920-08-31 | 1921-03-02 | $7700.00 | Window Closed / Lapsed |