Patent US3367877A successfully refreshed from Google Patents.
US1833048A
Expired / Lapsed
US
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Speed control system
Assignee: Individual
•
Filing: 1930-11-11
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Granted: 1931-11-24
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Expires: 1950-11-11
Abstract
No abstract record available.
Inventors
- 👤 Henry H Cutler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:41
CPC Classifications
B; B63; B63H; B63H23/00; B63H23/22; B63H23/24; B63H21/00; B63H21/12; B63H21/17; F; F02; F02D; F02D29/00; F02D29/06; F02D31/00; F02D31/001; F02D31/007; F02D41/00; F02D41/02; F02D41/0205; F02N; F02N9/00; F02N9/04; B63H21/21; B63H2021/216
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) | 1934-11-23 | 1935-05-25 | 1935-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-11-23 | 1939-05-25 | 1939-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-11-23 | 1943-05-25 | 1943-11-24 | $7700.00 | Window Closed / Lapsed |