Patent US3516274A successfully refreshed from Google Patents.
US3516274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for shaping metal
Assignee: GILBERT EDWARD LE VASSEUR SR
•
Filing: 1967-02-15
•
Granted: 1970-06-23
•
Expires: 1987-02-15
Abstract
No abstract record available.
Inventors
- 👤 Stanley Lewis Graham
- 👤 Marvin Rosenberg
- 👤 Gilbert Edward Le Vasseur Sr
- 👤 Willburn Lewis Jones
- 👤 Jem Yin Lew
- 👤 John Van Hoesen Challiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:21
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/021
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |