Patent US2453156A successfully refreshed from Google Patents.
US2453156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servomotor
Assignee: Old Carco LLC
•
Filing: 1939-11-13
•
Granted: 1948-11-09
•
Expires: 1959-11-13
Abstract
No abstract record available.
Inventors
- 👤 Carl A Neracher
- 👤 William T Dunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:12
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/02; F16H63/30; B; B60; B60K; B60K2704/00; B60K2704/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2214099A
Cited
US1131218A
Cited
US1169305A
Cited
US2066873A
Cited
US2214100A
Cited
GB190121353A
Cited
US720399A
Cited
US1078127A
Cited
US1267130A
Cited
US1069995A
Cited
US1250397A
Cited
US1302738A
Cited
US1515143A
Cited
US1503280A
Cited
US1403569A
Cited
US1515843A
Cited
US1842798A
Cited
US1655896A
Cited
US1745307A
Cited
US1932649A
Cited
US1836813A
Cited
US2057491A
Cited
US2056006A
Cited
US1983250A
Cited
US2008231A
Cited
US2039186A
Cited
US2071165A
Cited
US2012377A
Cited
US2120555A
Cited
US2051553A
Cited
US2141096A
Cited
US2097021A
Cited
US2177872A
Cited
US2119431A
Cited
US2136971A
Cited
US2177951A
Cited
US2078784A
Cited
US2118130A
Cited
US2248851A
Cited
US2183485A
Cited
US2225493A
Cited
US2181562A
Cited
US2251464A
Cited
US2255020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |