US2691875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torsionally resilient coupling
Assignee: Rexnord Industries LLC
•
Filing: 1949-08-06
•
Granted: 1954-10-19
•
Expires: 1969-08-06
Abstract
No abstract record available.
Inventors
- 👤 Walter P Schmitter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:43
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1024020A
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US1385803A
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US1550753A
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US1631196A
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US2021718A
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US1996311A
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US2209155A
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US2403389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-18 | 1958-04-19 | 1958-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-18 | 1962-04-19 | 1962-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-18 | 1966-04-19 | 1966-10-19 | $7700.00 | Window Closed / Lapsed |