US2452064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple motor speed synchronizing balancing device
Assignee: Individual
•
Filing: 1944-07-26
•
Granted: 1948-10-26
•
Expires: 1964-07-26
Abstract
No abstract record available.
Inventors
- 👤 Robert L Mayrath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:11
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/46; H02P5/50; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1200051A
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US1867649A
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US2104582A
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US2100059A
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US2124756A
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US2160324A
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US2255753A
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US2261530A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |