Patent US748515A successfully refreshed from Google Patents.
Patent US2239302A successfully refreshed from Google Patents.
US2239302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting or setting of gems, precious stones, or the like
Assignee: Baker and Co Inc
•
Filing: 1939-11-22
•
Granted: 1941-04-22
•
Expires: 1959-11-22
Abstract
No abstract record available.
Inventors
- 👤 Pritchard Sydney Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:34
CPC Classifications
A; A44; A44C; A44C17/00; A44C17/02
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) | 1944-04-21 | 1944-10-21 | 1945-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-04-21 | 1948-10-21 | 1949-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-04-21 | 1952-10-21 | 1953-04-22 | $7700.00 | Window Closed / Lapsed |