Patent US3386650A successfully refreshed from Google Patents.
US3386650A
Expired / Lapsed
US
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Control mechanism
Assignee: POWERS AND EATON IND Inc
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Filing: 1965-09-03
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Granted: 1968-06-04
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Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 William J Hildebrandt
- 👤 Edward W Lukstas
- 👤 Richard W Yerks
- 👤 Daniel A Esakov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:21
CPC Classifications
B; B41; B41B; B41B27/00; B41B27/02; B41B27/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1882859A
Cited
US2085120A
Cited
US2135220A
Cited
US2860708A
Cited
US3018948A
Cited
US3092310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |