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Patent US3397764A successfully refreshed from Google Patents.
US3397764A
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US
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Assignee: Individual
•
Filing: 1966-11-30
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Granted: 1968-08-20
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Expires: 1986-11-30
Abstract
No abstract record available.
Inventors
- 👤 Luther G Simjian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:08
CPC Classifications
G; G07; G07F; G07F11/00; G07F11/62; G06; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/343; G06Q20/3433; G07F1/00; G07F1/06; G07F7/00; G07F7/02; G07F7/08; G07F7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |