Patent US2179755A successfully refreshed from Google Patents.
US2179755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal scoring machinery
Assignee: Individual
•
Filing: 1937-11-30
•
Granted: 1939-11-14
•
Expires: 1957-11-30
Abstract
No abstract record available.
Inventors
- 👤 Newman Isidor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:06
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/38; B21D51/383; B65; B65G; B65G47/00; B65G47/74; B65G47/88; B65G47/8807; B65G47/8815; B65G47/8876; B65G47/8884; B65G2205/00; B65G2205/04
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) | 1942-11-13 | 1943-05-15 | 1943-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-11-13 | 1947-05-15 | 1947-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-11-13 | 1951-05-15 | 1951-11-14 | $7700.00 | Window Closed / Lapsed |