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US2003127A
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Stretching machine and method of operating the same
Assignee: Electric Furnace Co
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Filing: 1932-09-19
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Granted: 1935-05-28
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Expires: 1952-09-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Vaughan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:41
CPC Classifications
B; B21; B21F; B21F9/00
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) | 1938-05-27 | 1938-11-26 | 1939-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-05-27 | 1942-11-26 | 1943-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-05-27 | 1946-11-26 | 1947-05-28 | $7700.00 | Window Closed / Lapsed |