US2544314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switchgear drawout mechanism
Assignee: General Electric Co
•
Filing: 1948-10-28
•
Granted: 1951-03-06
•
Expires: 1968-10-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Emil E Hebbel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:42
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/20; H01H9/22; H02; H02B; H02B11/00; H02B11/12; H02B11/127; H02B11/133; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20672; Y10T74/2069
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1448135A
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US724419A
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US1127116A
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US1288741A
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US1614115A
Cited
US2258150A
Cited
US2273001A
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US2391460A
Cited
US2514246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |