US3065633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well surveying apparatus
Assignee: Pan American Petroleum Corp
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Filing: 1958-12-29
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Granted: 1962-11-27
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Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Lubinski Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:18
CPC Classifications
E; E21; E21B; E21B47/00; E21B47/02; E21B47/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |