US2425123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slitting of insulating material
Assignee: Balfour Beatty PLC
•
Filing: 1945-07-04
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Granted: 1947-08-05
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Expires: 1965-07-04
Abstract
No abstract record available.
Inventors
- 👤 Quayle Joshua Creer
- 👤 Jones Peter
- 👤 Bayles Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:46
CPC Classifications
H; H02; H02G; H02G1/00; H02G1/12; H02G1/1275; Y; Y10; Y10S; Y10S242/00; Y10S242/909; Y10T; Y10T225/00; Y10T225/10; Y10T225/12; Y10T225/14; Y10T225/30; Y10T225/307; Y10T225/321; Y10T225/336; Y10T225/343; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/041; Y10T83/0414; Y10T83/283
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) | 1950-08-04 | 1951-02-03 | 1951-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-04 | 1955-02-03 | 1955-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-04 | 1959-02-03 | 1959-08-05 | $7700.00 | Window Closed / Lapsed |