US2966987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punch and die for cold shaping of steel
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1956-03-29
•
Granted: 1961-01-03
•
Expires: 1976-03-29
Abstract
No abstract record available.
Inventors
- 👤 Kaul Ben
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:51
CPC Classifications
B; B21; B21K; B21K21/00; B21C; B21C23/00; B21C23/02; B21C23/20; B21C25/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12236; Y10T428/12243
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2732932A
Cited
US498304A
Cited
NL49336C
Cited
US796223A
Cited
US1024840A
Cited
US1642696A
Cited
DE429216C
Cited
US1802843A
Cited
GB435402A
Cited
US2161419A
Cited
DE672815C
Cited
US2235450A
Cited
US2344803A
Cited
US2334927A
Cited
US2358667A
Cited
US2333196A
Cited
US2533942A
Cited
DE842296C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |