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US3035479A
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Analyzing methods employing optical graticules
Assignee: Seismograph Service Corp
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Filing: 1957-04-01
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Granted: 1962-05-22
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Expires: 1977-04-01
Abstract
No abstract record available.
Inventors
- 👤 Robert W Baltosser
- 👤 Stanley W Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:25
CPC Classifications
G; G01; G01V; G01V7/00; G01V7/02; G01V7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2474828A
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US2617940A
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US2839149A
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US2801794A
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US2696891A
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US2712631A
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US2712415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |