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US3519997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planar illustration method and apparatus
Assignee: Computer Graphics Inc
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Filing: 1961-11-13
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Granted: 1970-07-07
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Expires: 1981-11-13
Abstract
No abstract record available.
Inventors
- 👤 Walter D Bernhart
- 👤 William A Fetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:28
CPC Classifications
G; G06; G06T; G06T17/00; G06T17/20; G06K; G06K15/00; G06K15/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A SYSTEM FOR PROVIDING A DRAWING OF AN OBJECT COMPRISING IN COMBINATION: ELECTRONIC DIGITAL COMPUTER MEANS PROGRAMMED TO RESPOND TO APPLIED SIGNALS (XE, YE, ZE) AND A SERIES OF GROUPS OF SIGNALS (XI, YI, ZI) TO PROVIDE A CORRESPONDING SERIES OF PAIRS OF OUTPUT SIGNALS (VI, WI) WITH THE RELATIONSHIP BETWEEN SIGNALS (XI, YI, ZI) AND (XE, YE, ZE) TO THE SIGNALS (VI, WI) BEING DEFINED AS FOLLOWS:
Claim 2
Independent Claim
68 words
A SYSTEM FOR PROVIDING A DRAWING OF AN OBJECT COMPRISING IN COMBINATION: ELECTRONIC DIGITAL COMPUTER MEANS PROGRAMMED TO RESPOND TO APPLIED SIGNALS (XE, YE, ZE) AND A SERIES OF GROUPS OF SIGNALS (XI, YI, ZI) TO PROVIDE A CORRESPONDING SERIES OF PAIRS OF OUTPUT SIGNALS (VI, WI) WITH THE RELATIONSHIP BETWEEN SIGNALS (XI, YI, ZI) AND (XE, YE, ZE) TO THE SIGNALS (VI, WI) BEING DEFINED AS FOLLOWS:
References Cited (Backward Citations)
US3066868A
Cited
US3153224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |