US2050253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jewelry ring and method of producing same
Assignee: J MILHENING Inc
•
Filing: 1935-04-24
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Granted: 1936-08-11
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Expires: 1955-04-24
Abstract
No abstract record available.
Inventors
- 👤 Bager Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:14
CPC Classifications
B; B23; B23P; B23P11/00; B23P11/005; B21; B21H; B21H1/00; B21H1/06; B21H7/00; B21H7/14; B21H8/00; Y; Y10; Y10T; Y10T29/00; Y10T29/21; Y10T29/23; Y10T29/49; Y10T29/49588; Y10T29/4959; Y10T29/49593; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49925; Y10T29/49934
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) | 1939-08-11 | 1940-02-10 | 1940-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-08-11 | 1944-02-10 | 1944-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-08-11 | 1948-02-10 | 1948-08-11 | $7700.00 | Window Closed / Lapsed |