Patent US2579702A successfully refreshed from Google Patents.
US2579702A
Expired / Lapsed
US
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Traction hot-gas engine with speed and power control
Assignee: Hartford National Bank and Trust Co
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Filing: 1945-09-13
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Granted: 1951-12-25
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Expires: 1965-09-13
Abstract
No abstract record available.
Inventors
- 👤 Rinia Herre
- 👤 Franciscus Lambertus Va Weenen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:49
CPC Classifications
F; F02; F02G; F02G1/00; F02G1/04; F02G1/043; F02G1/053; F02G1/055; F02G1/045
Claims Analysis
Total Claims: 0
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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) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |