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US2438104A
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Assignee: Nash Engineering Co
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Filing: 1944-09-23
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Granted: 1948-03-23
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Expires: 1964-09-23
Abstract
No abstract record available.
Inventors
- 👤 Harold E Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:39
CPC Classifications
F; F04; F04D; F04D1/00; F04D1/06; F04D13/00; F04D13/12; F04D13/14; F05; F05D; F05D2250/00; F05D2250/30; F05D2250/31; F05D2250/312
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-23 | 1951-09-22 | 1952-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-23 | 1955-09-22 | 1956-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-23 | 1959-09-22 | 1960-03-23 | $7700.00 | Window Closed / Lapsed |