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US3477158A
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Assignee: LAURENCE R CHANDOS
•
Filing: 1968-01-29
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Granted: 1969-11-11
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Expires: 1988-01-29
Abstract
No abstract record available.
Inventors
- 👤 Laurence R Chandos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:32
CPC Classifications
G; G09; G09F; G09F7/00; G09F7/02; G09F7/14; G09F15/00; G09F15/0006; G09F15/0037; G09F17/00; G09F7/18; G09F2007/1804; G09F2007/1808; G09F2007/183; G09F2017/0041
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) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |