US2689039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of electric cables
Assignee: Balfour Beatty PLC
•
Filing: 1951-01-31
•
Granted: 1954-09-14
•
Expires: 1971-01-31
Abstract
No abstract record available.
Inventors
- 👤 Reed Neville Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:31
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/0003; B; B21; B21C; B21C5/00; B21C5/003; H01B13/0006; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49861; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T29/53; Y10T29/53126; Y10T29/5313; Y10T29/532
Claims Analysis
Total Claims: 0
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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) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |