US2847879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power operator for machine tools
Assignee: Cleveland Pneumatic Industries Inc
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Filing: 1955-07-14
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Granted: 1958-08-19
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Expires: 1975-07-14
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Olson
- 👤 Howard W Ronfeldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:05
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/22; B23Q5/26; B23Q5/266; B23Q5/32; B23Q2705/00; B23Q2705/02; B23Q2705/023; B23Q2705/10; B23Q2705/16; B23Q2705/165; Y; Y10; Y10T; Y10T408/00; Y10T408/65; Y10T408/675; Y10T408/6757
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |