US3061342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking and removal device for impellers
Assignee: Allis Chalmers Corp
•
Filing: 1961-01-24
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Granted: 1962-10-30
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Expires: 1981-01-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Feller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:40
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/09; F16D1/092; F01; F01D; F01D5/00; F01D5/02; F01D5/025; F04; F04D; F04D29/00; F04D29/26; F04D29/266; Y; Y10; Y10T; Y10T403/00; Y10T403/16; Y10T403/1633
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190617888A
Cited
US2840399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |