US3436813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information storage devices
Assignee: Eaton Corp
•
Filing: 1964-02-06
•
Granted: 1969-04-08
•
Expires: 1984-02-06
Abstract
No abstract record available.
Inventors
- 👤 Paul E Wells
- 👤 John S Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:45
CPC Classifications
G; G11; G11C; G11C5/00; G11C5/02; G11C5/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2784151A
Cited
US3167490A
Cited
US3083353A
Cited
US3069661A
Cited
US2915686A
Cited
US3100295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |