US2679414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separator for shafts
Assignee: Ingersoll Rand Co
•
Filing: 1949-02-01
•
Granted: 1954-05-25
•
Expires: 1969-02-01
Abstract
No abstract record available.
Inventors
- 👤 Hornschuch Hanns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:13
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/02; Y; Y10; Y10T; Y10T403/00; Y10T403/57; Y10T403/5746
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1921809A
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US1978814A
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US2108760A
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US2337711A
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US2419592A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-24 | 1957-11-23 | 1958-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-24 | 1961-11-23 | 1962-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-24 | 1965-11-23 | 1966-05-25 | $7700.00 | Window Closed / Lapsed |