US2603756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for generating electricity
Assignee: Cummins Power Generation Ltd
•
Filing: 1951-07-06
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Granted: 1952-07-15
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Expires: 1971-07-06
Abstract
No abstract record available.
Inventors
- 👤 Puttick Harold Grahame
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:21
CPC Classifications
H; H02; H02P; H02P9/00; H02J; H02J3/00; H02J3/38; H02J3/46; H02J3/466; H02P9/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE15258E
Cited
US1774492A
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US1662366A
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US1704996A
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US1903712A
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US2427462A
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US2510891A
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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) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |