US3433257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm type fluid logic latch
Assignee: International Business Machines Corp
•
Filing: 1966-02-01
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Granted: 1969-03-18
•
Expires: 1986-02-01
Abstract
No abstract record available.
Inventors
- 👤 Donald F Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:49
CPC Classifications
F; F15; F15C; F15C3/00; F15C3/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87265; Y10T137/87298; Y10T137/87306; Y10T137/87314
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3318329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |