US2911029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming necks on headers and indexing means to align punch and matrix with work area of header
Assignee: Combustion Engineering Inc
•
Filing: 1955-01-18
•
Granted: 1959-11-03
•
Expires: 1975-01-18
Abstract
No abstract record available.
Inventors
- 👤 Huet Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:44
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; B21C37/29; B21C37/292
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE473407C
Cited
US877855A
Cited
US1432073A
Cited
US1574900A
Cited
US1795517A
Cited
US2280255A
Cited
US2670795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |