US2640425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stroke adjustment device
Assignee: Milton Roy LLC
•
Filing: 1950-10-03
•
Granted: 1953-06-02
•
Expires: 1970-10-03
Abstract
No abstract record available.
Inventors
- 👤 Saalfrank Royal Bartlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:11
CPC Classifications
F; F16; F16H; F16H21/00; F16H21/10; F16H21/16; F16H21/18; F16H21/20; Y; Y10; Y10T; Y10T74/00; Y10T74/16; Y10T74/18; Y10T74/18056; Y10T74/18176; Y10T74/18182; Y10T74/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US870630A
Cited
US1189312A
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US1922539A
Cited
US2108311A
Cited
US2259587A
Cited
US2235631A
Cited
US2240371A
Cited
US2548738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |