Patent US1864132A successfully refreshed from Google Patents.
US3482103A
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Apparatus for controlling travel path of a movable device
Assignee: Boyles Bros Drilling Co
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Filing: 1965-10-11
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Granted: 1969-12-02
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Expires: 1985-10-11
Abstract
No abstract record available.
Inventors
- 👤 Lyle J Martinsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:01
CPC Classifications
G; G01; G01C; G01C5/00; E; E21; E21B; E21B7/00; E21B7/04; G01D; G01D5/00; G01D5/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1942604A
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US2897373A
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US2916836A
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US3000121A
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US3069983A
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US2973593A
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US3323408A
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US3242340A
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US3321243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |