Patent US2684103A successfully refreshed from Google Patents.
US2684103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metalworking apparatus
Assignee: SERRICK Corp
•
Filing: 1948-08-07
•
Granted: 1954-07-20
•
Expires: 1968-08-07
Abstract
No abstract record available.
Inventors
- 👤 Edward F Lee
- 👤 Donald J Mcintosh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:12
CPC Classifications
B; B21; B21D; B21D15/00; B21D15/04; B21D15/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1011193A
Cited
US1058669A
Cited
US1039886A
Cited
US1285982A
Cited
GB149442A
Cited
US1698999A
Cited
US2142017A
Cited
US2089476A
Cited
US2158312A
Cited
US2082199A
Cited
US2153863A
Cited
US2211009A
Cited
US2307191A
Cited
US2398373A
Cited
US2384324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |