Patent US3504334A successfully refreshed from Google Patents.
US3504334A
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Rectangular coordinate indicating system employing cordless stylus
Assignee: ANACOMP Inc 11550 NORTH MERIDAN STREET CARMEL INDIANA 46032 A CORP OF INDIANA
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Filing: 1968-10-16
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Granted: 1970-03-31
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Expires: 1988-10-16
Abstract
No abstract record available.
Inventors
- 👤 Rodger Elmo Turnage Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:21
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/03; G06F3/041; G06F3/043; G06F3/0433; G01; G01S; G01S5/00; G01S5/18; G01S5/22; G06K; G06K15/00; G06K15/22; Y; Y10; Y10S; Y10S367/00; Y10S367/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2916289A
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US2951248A
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US3275095A
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US3176263A
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US3156766A
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US3134099A
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US3383690A
Cited
US3421138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |