Patent US3550425A successfully refreshed from Google Patents.
US3550425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic machine for deforming sheet metal
Assignee: Promecam Sisson Lehmann SA
•
Filing: 1968-07-24
•
Granted: 1970-12-29
•
Expires: 1988-07-24
Abstract
No abstract record available.
Inventors
- 👤 Paul Cailloux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:04
CPC Classifications
B; B23; B23D; B23D15/00; B23D15/12; B23D15/14; B21; B21D; B21D5/00; B21D5/02; B21D5/0272; B30; B30B; B30B15/00; B30B15/16; B30B15/24; B30B15/245; B30B15/28; B30B15/281
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) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |