US1963537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe cutting machine
Assignee: Semet Solvay Engineering Corp
•
Filing: 1929-12-12
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Granted: 1934-06-19
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Expires: 1949-12-12
Abstract
No abstract record available.
Inventors
- 👤 Tweit Olav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:44
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; B21C37/29; B21C37/296; B23; B23K; B23K7/00; B23K7/005; B23K7/006; B23K7/007; B23Q; B23Q27/00
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) | 1937-06-18 | 1937-12-18 | 1938-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-06-18 | 1941-12-18 | 1942-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-06-18 | 1945-12-18 | 1946-06-19 | $7700.00 | Window Closed / Lapsed |