Patent US3397486A successfully refreshed from Google Patents.
US3397486A
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US
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Assignee: Advance Data Systems Corp
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Filing: 1966-02-10
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Granted: 1968-08-20
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Expires: 1986-02-10
Abstract
No abstract record available.
Inventors
- 👤 Gerry H Foxwell
- 👤 Dillingham Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:28
CPC Classifications
E; E06; E06B; E06B11/00; E06B11/08; G; G07; G07C; G07C9/00; G07C9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1221268A
Cited
US1652622A
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US1688746A
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US1623744A
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US1758514A
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US1841132A
Cited
US2204897A
Cited
US2504535A
Cited
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 |