US3539878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling a series of sequential operations
Assignee: Leesona Corp
•
Filing: 1967-03-03
•
Granted: 1970-11-10
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Expires: 1987-03-03
Abstract
No abstract record available.
Inventors
- 👤 Charles C Bell
- 👤 Edward L Kent
- 👤 Kurt W Niederer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:33
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/08; G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/06; G05B19/063; G05B19/43; G05B19/44; H; H01; H01H; H01H43/00; H01H43/10; H01H43/12; H01H43/125; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1799113A
Cited
US1985589A
Cited
US2247059A
Cited
US2882056A
Cited
US2762952A
Cited
US3162777A
Cited
US3422846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |