US2430449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling for rotary members
Assignee: Westinghouse Electric Corp
•
Filing: 1944-05-13
•
Granted: 1947-11-11
•
Expires: 1964-05-13
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:22
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/78; F16D3/79
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR417784A
Cited
US1188113A
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US1326993A
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US1402688A
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GB172178A
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US1455242A
Cited
US1639644A
Cited
GB188066A
Cited
FR613940A
Cited
US2182711A
Cited
US2287391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |