US1338871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the application of hydraulic pressure to the interior of a tube being shaped by the self-hooping process
Assignee: Schneider Electric SE
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Filing: 1919-03-31
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Granted: 1920-05-04
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Expires: 1939-03-31
Abstract
No abstract record available.
Inventors
- 👤 Schneider Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:00
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/152; B23; B23P; B23P9/00; C; C21; C21D; C21D7/00; C21D7/02; C21D7/10; C21D7/12; F; F41; F41A; F41A21/00; F41A21/20
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) | 1923-05-04 | 1923-11-03 | 1924-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-05-04 | 1927-11-03 | 1928-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-05-04 | 1931-11-03 | 1932-05-04 | $7700.00 | Window Closed / Lapsed |