US3450953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: CLAYTON H GARDNER
•
Filing: 1965-06-17
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Granted: 1969-06-17
•
Expires: 1985-06-17
Abstract
No abstract record available.
Inventors
- 👤 Clayton H Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:14
CPC Classifications
G; G07; G07F; G07F7/00; G07F7/08; G07F7/10; G06; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/347; G07F7/1025; G07F7/1058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2583752A
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US3100389A
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US3182144A
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US3139519A
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US3247425A
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US3308253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |