US2846174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable brackets
Assignee: Wind Turbine Co
•
Filing: 1953-07-15
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Granted: 1958-08-05
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Expires: 1973-07-15
Abstract
No abstract record available.
Inventors
- 👤 Donald N Sewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:31
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/14; H01Q1/16; F; F16; F16B; F16B2/00; F16B2/20; F16B2/22; F16B2/24; F16B2/248; F16B7/00; F16B7/04; F16B7/044; F16B7/048; F16B7/0493; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18232
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US816473A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |