Patent US2530200A successfully refreshed from Google Patents.
US2530200A
Expired / Lapsed
US
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Transmission
Assignee: Hobbs Transmission Ltd
•
Filing: 1947-09-29
•
Granted: 1950-11-14
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Expires: 1967-09-29
Abstract
No abstract record available.
Inventors
- 👤 Hobbs Howard Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:17
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16H3/663; F16H2200/00; F16H2200/20; F16H2200/2002; F16H2200/2005; Y; Y10; Y10S; Y10S74/00; Y10S74/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US963092A
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US1619477A
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GB146668A
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FR528086A
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US1636800A
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US2150950A
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US2220174A
Cited
US2132728A
Cited
GB500311A
Cited
GB502346A
Cited
US2167873A
Cited
US2329724A
Cited
US2282591A
Cited
US2241334A
Cited
US2368801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |