US3469243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Receiving station for selective-call data system
Assignee: Individual
•
Filing: 1967-03-29
•
Granted: 1969-09-23
•
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 22:30
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/048; G06F3/0487; G06F3/0489; G06F13/00; G06F13/14; G06F13/20; G06F13/22; H; H04; H04Q; H04Q9/00; H04Q9/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3134016A
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US3284774A
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US3181124A
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US3230509A
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US3266018A
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US3305839A
Cited
US3297996A
Cited
US3300763A
Cited
US3369221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |