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US1738540A
Expired / Lapsed
US
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System of generating and storing electricity
Assignee: DELCOLIGHT Co
•
Filing: 1919-05-19
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Granted: 1929-12-10
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Expires: 1939-05-19
Abstract
No abstract record available.
Inventors
- 👤 James B Replogle
- 👤 John M Lea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:07
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/60; H02J7/663; Y; Y10; Y10S; Y10S320/00; Y10S320/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1932-12-09 | 1933-06-10 | 1933-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-12-09 | 1937-06-10 | 1937-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-12-09 | 1941-06-10 | 1941-12-10 | $7700.00 | Window Closed / Lapsed |