US3523281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-identifying inquiry station for information systems
Assignee: Individual
•
Filing: 1967-03-29
•
Granted: 1970-08-04
•
Expires: 1987-03-29
Abstract
No abstract record available.
Inventors
- 👤 Frederick P Willcox
- 👤 Newland F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:32
CPC Classifications
H; H04; H04Q; H04Q9/00; H04Q9/14; G; G06; G06F; G06F13/00; G06F13/14; G06F13/20; G06F13/22; G06F3/00; G06F3/01; G06F3/048; G06F3/0487; G06F3/0489
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3134016A
Cited
US2951234A
Cited
US3208057A
Cited
US3349374A
Cited
US3311891A
Cited
US3331053A
Cited
US3323119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |