Patent US2793040A successfully refreshed from Google Patents.
US3063473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for curling support wires
Assignee: Westinghouse Electric Corp
•
Filing: 1959-01-20
•
Granted: 1962-11-13
•
Expires: 1979-01-20
Abstract
No abstract record available.
Inventors
- 👤 Charles W Hawkey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:04
CPC Classifications
H; H01; H01K; H01K3/00; H01K3/08; H01K3/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA571909A
Cited
US1474882A
Cited
US1821894A
Cited
US2311662A
Cited
US2781796A
Cited
US2854939A
Cited
US2811988A
Cited
US2821233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |