US3399698A
Expired / Lapsed
US
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Mechanical sequential control system
Assignee: JOHN D BENTLEY
•
Filing: 1964-06-29
•
Granted: 1968-09-03
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Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 John D Bentley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:26
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/43; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86421; Y10T137/86445; Y10T137/86461; Y10T137/86493; Y10T137/86501; Y10T137/86549; Y10T137/86574; Y10T137/86638; Y10T137/86646; Y10T137/86654; Y10T137/86662
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR550253A
Cited
US2144790A
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US2864342A
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US2827767A
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US2960073A
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US3015344A
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US3037484A
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US3022738A
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US3098505A
Cited
US3177898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |