US2348424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change-speed mechanism
Assignee: SINGER MOTORS Ltd
•
Filing: 1941-02-12
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Granted: 1944-05-09
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Expires: 1961-02-12
Abstract
No abstract record available.
Inventors
- 👤 Shorter Leo Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:20
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/02; F16H37/04; F16H37/042; F16H37/046; F16H61/00; F16H61/02; F16H61/0262; F16H63/00; F16H63/40; F16H63/44; F16H2702/00; F16H2716/00; F16H2716/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-05-09 | 1947-11-08 | 1948-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-05-09 | 1951-11-08 | 1952-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-05-09 | 1955-11-08 | 1956-05-09 | $7700.00 | Window Closed / Lapsed |