Patent US2958794A successfully refreshed from Google Patents.
US2958794A
Expired / Lapsed
US
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Variable speed cutter drive
Assignee: EKSTROM CARLSON AND Co
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Filing: 1958-12-08
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Granted: 1960-11-01
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Expires: 1978-12-08
Abstract
No abstract record available.
Inventors
- 👤 Theodore C Mann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:32
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; F; F16; F16H; F16H3/00; F16H3/02; F16H3/20; F16H3/22; F16H3/24; F16H3/26; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/309352
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE587057C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |