US2540426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety cable
Assignee: Individual
•
Filing: 1948-11-12
•
Granted: 1951-02-06
•
Expires: 1968-11-12
Abstract
No abstract record available.
Inventors
- 👤 Campbell Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:24
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/06; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/344; Y10T24/3447; Y10T403/00; Y10T403/36; Y10T403/364
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US562550A
Cited
US895370A
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US1001380A
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US1170429A
Cited
US1735212A
Cited
US1772395A
Cited
US1976533A
Cited
US2277424A
Cited
US2322583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |