Patent US3402495A successfully refreshed from Google Patents.
US3402495A
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US
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Lettering and numbering means
Assignee: DAVID D FISHBACK
•
Filing: 1966-03-14
•
Granted: 1968-09-24
•
Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 David D Fishback
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:05
CPC Classifications
G; G09; G09F; G09F3/00; G09F3/08; G09F3/10; G09F7/00; G09F7/02; G09F7/12; G09F3/02; G09F2003/0202; G09F2003/0208; G09F2003/0225; G09F2003/0226; G09F2003/0227; G09F2003/023; G09F2003/0257; G09F2003/0272; G09F2003/0279; G09F2007/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US222286A
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GB450950A
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US2139377A
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US2651128A
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US2996822A
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US2979840A
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US3312563A
Cited
US3309257A
Cited
US3315387A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |