US2497820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cable clamp
Assignee: Shawinigan Water and Power Co
•
Filing: 1945-07-13
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Granted: 1950-02-14
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Expires: 1965-07-13
Abstract
No abstract record available.
Inventors
- 👤 Johan L Kielland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:22
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/08; F16L3/10; H; H01; H01R; H01R4/00; H01R4/28; H01R4/50; H01R4/52; H01R4/58; H01R4/62; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/39; Y10T24/3984; Y10T24/44; Y10T24/44573; Y10T24/44581; Y10T24/4459; Y10T24/44598; Y10T403/00; Y10T403/71; Y10T403/7129; Y10T403/7135; Y10T403/7171
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) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |