US974288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for curving electrotypes.
Assignee: Individual
•
Filing: 1909-11-22
•
Granted: 1910-11-01
•
Expires: 1929-11-22
Abstract
No abstract record available.
Inventors
- 👤 Walker W Mccarroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:00
CPC Classifications
B; B21; B21J; B21J9/00; B21J9/02; B21J9/025
Claims Analysis
Total Claims: 0
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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) | 1913-10-31 | 1914-05-02 | 1914-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-10-31 | 1918-05-02 | 1918-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-10-31 | 1922-05-02 | 1922-11-01 | $7700.00 | Window Closed / Lapsed |