US2766513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fabricating a tubular element
Assignee: COMB EUGINEERING Inc
•
Filing: 1951-11-24
•
Granted: 1956-10-16
•
Expires: 1971-11-24
Abstract
No abstract record available.
Inventors
- 👤 Huet Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:27
CPC Classifications
H; H04; H04J; H04J1/00; B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; B21C37/29; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49442; Y10T29/49444
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE171780C
Cited
US720989A
Cited
FR379190A
Cited
US1046138A
Cited
DE339903C
Cited
US1430856A
Cited
US1479279A
Cited
US1775331A
Cited
US1938692A
Cited
US1817854A
Cited
US1897320A
Cited
FR767266A
Cited
US2240319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |