Patent US5761389A successfully refreshed from Google Patents.
Patent US2840884A successfully refreshed from Google Patents.
US2840884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for shaping tubular parts
Assignee: Individual
•
Filing: 1951-11-15
•
Granted: 1958-07-01
•
Expires: 1971-11-15
Abstract
No abstract record available.
Inventors
- 👤 Biginelli Oreste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:37
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/02; B21C23/04; B21C23/14; B21C23/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2183637A
Cited
US560480A
Cited
DE212258C
Cited
US851262A
Cited
US1151222A
Cited
US1474066A
Cited
DE443060C
Cited
US1684102A
Cited
US2063562A
Cited
FR851629A
Cited
US2237993A
Cited
GB524146A
Cited
US2339959A
Cited
US2596552A
Cited
US2407855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |