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US2738457A
Expired / Lapsed
US
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Electrical generating system
Assignee: LEECE NEVILLE CO
•
Filing: 1953-08-14
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Granted: 1956-03-13
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Expires: 1973-08-14
Abstract
No abstract record available.
Inventors
- 👤 Albert D Gilchrist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:55
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/14; H02J7/16; H02J7/20; Y; Y10; Y10S; Y10S320/00; Y10S320/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US929758A
Cited
GB191317922A
Cited
GB113096A
Cited
US1641386A
Cited
US2133976A
Cited
US2233772A
Cited
US2100905A
Cited
US2464567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |