US2605646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving rack mechanism
Assignee: Alstom Power Inc
•
Filing: 1948-09-01
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Granted: 1952-08-05
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Expires: 1968-09-01
Abstract
No abstract record available.
Inventors
- 👤 Karlsson Per Hilmer
- 👤 John A Lidford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:50
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/02; F16H1/24; F16H55/00; F16H55/02; F16H55/10; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19647; Y10T74/19651; Y10T74/19656
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) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |