Patent US3620127A successfully refreshed from Google Patents.
US3620127A
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US
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Sequential pulsing system
Assignee: Individual
•
Filing: 1969-11-17
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Granted: 1971-11-16
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Expires: 1989-11-17
Abstract
Abstract A SYSTEM OF PROGRAMMING A SEQUENTIAL SERIES OF MECHANISM-ACTUATED OPERATIONS INDEPENDENT OF ANY EXTERNAL TIMING OR SWITCHING OR LIMITING VALVE MEANS.
Inventors
- 👤 Kenneth R Blaisdell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:25
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/43; G05B19/46; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86413; Y10T137/86445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |