Patent US5128616A successfully refreshed from Google Patents.
US1578751A
Expired / Lapsed
US
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Apparatus for producing hooping effects in metal tubes of great strength
Assignee: Schneider Electric SE
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Filing: 1925-07-16
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Granted: 1926-03-30
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Expires: 1945-07-16
Abstract
No abstract record available.
Inventors
- 👤 Methlin Nicolas Emilien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:12
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/033; B21D26/045; B23; B23P; B23P9/00; C; C21; C21D; C21D7/00; C21D7/02; C21D7/10; C21D7/12; Y; Y10; Y10S; Y10S264/00; Y10S264/50; Y10T; Y10T82/00; Y10T82/25; Y10T82/2568
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) | 1929-03-29 | 1929-09-28 | 1930-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-03-29 | 1933-09-28 | 1934-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-03-29 | 1937-09-28 | 1938-03-30 | $7700.00 | Window Closed / Lapsed |