Patent US3493939A successfully refreshed from Google Patents.
US3493939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Priority sequencing device
Assignee: United States Department of the Army
•
Filing: 1967-04-10
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Granted: 1970-02-03
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Expires: 1987-04-10
Abstract
No abstract record available.
Inventors
- 👤 Robert M Dunn
- 👤 David R Hadden Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:18
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/46; G06F9/48; G06F9/4806; G06F9/4843; G06F7/00; G06F7/02; G06F7/026; G06F7/22; G06F7/24; G06F2207/00; G06F2207/22; G06F2207/226
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3234524A
Cited
US3300766A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |