US2821158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for coating bell-shaped electrical suspension insulators
Assignee: General Electric Co
•
Filing: 1954-10-22
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Granted: 1958-01-28
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Expires: 1974-10-22
Abstract
No abstract record available.
Inventors
- 👤 Brown Leonard
- 👤 Vincent T Migliorini
- 👤 Lenz Carl
- 👤 Wayne C Smitley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:12
CPC Classifications
B; B28; B28B; B28B11/00; B28B11/04; B28B11/045; B05; B05C; B05C13/00; B05C13/02; B05C13/025; B28B11/044; H; H01; H01B; H01B19/00; H01B19/04; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4358; Y10T137/8593; Y10T137/86389; Y10T137/86405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US331757A
Cited
US928172A
Cited
US1751949A
Cited
US2203572A
Cited
US2206686A
Cited
US2209006A
Cited
US2477590A
Cited
US2644274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |