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US3029018A
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Two dimensional analog of a three dimensional phenomenon
Assignee: Dresser Industries Inc
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Filing: 1955-02-21
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Granted: 1962-04-10
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Expires: 1975-02-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Acey L Floyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:10
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/32; G06G7/38; G06G7/40; G06G7/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1997973A
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US2236172A
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US2401306A
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US2497042A
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US2445310A
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US2442823A
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US2650311A
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US2695852A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |