US3500853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pill-type fluidic devices utilizing magnetic memory and restraining means
Assignee: Lockheed Martin Corp
•
Filing: 1967-08-24
•
Granted: 1970-03-17
•
Expires: 1987-08-24
Abstract
No abstract record available.
Inventors
- 👤 Peter A Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:07
CPC Classifications
F; F15; F15C; F15C3/00; F15C3/06; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/218; Y10T137/2202; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2567; Y10T137/8593; Y10T137/877; Y10T137/87885
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US443532A
Cited
US2875780A
Cited
US2892051A
Cited
US3066203A
Cited
US2991805A
Cited
US3129347A
Cited
US3095902A
Cited
US3116428A
Cited
US3178151A
Cited
US3326087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |