Patent US2704593A successfully refreshed from Google Patents.
US2704593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
galloway
Assignee: —
•
Filing: 1949-04-12
•
Granted: 1955-03-22
•
Expires: 1969-04-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:56
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/06; H01M10/12; H01M10/14; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/5313; Y10T29/53135; Y10T29/53191; Y10T29/53478
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US1029206A
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US1089274A
Cited
US1578822A
Cited
US1715358A
Cited
US1749620A
Cited
US1941106A
Cited
US2225006A
Cited
US2320094A
Cited
US2260540A
Cited
US2324523A
Cited
US2523910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-21 | 1958-09-20 | 1959-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-21 | 1962-09-20 | 1963-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-21 | 1966-09-20 | 1967-03-22 | $7700.00 | Window Closed / Lapsed |