Patent US2677291A successfully refreshed from Google Patents.
US2677291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauge for ring setting machines
Assignee: Wilson Jones Co
•
Filing: 1951-02-19
•
Granted: 1954-05-04
•
Expires: 1971-02-19
Abstract
No abstract record available.
Inventors
- 👤 George J Rundblad
- 👤 Fred D Wedge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:12
CPC Classifications
B; B21; B21D; B21D53/00; B21F; B21F15/00; B21F15/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US738266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |