US2670416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed governor
Assignee: DORMEYER Corp
•
Filing: 1948-04-22
•
Granted: 1954-02-23
•
Expires: 1968-04-22
Abstract
No abstract record available.
Inventors
- 👤 Fred A Masheris
- 👤 Tanko Kalman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:50
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/06; H01H35/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1313856A
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GB190501891A
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US1836654A
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US2050665A
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US2098226A
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US2195041A
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US2111960A
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US2138912A
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US2262912A
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US2281711A
Cited
US2271813A
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US2367441A
Cited
US2457218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |