US3416230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for measuring movement in masses of rock or the like
Assignee: ELMO G LEISHMAN
•
Filing: 1966-07-11
•
Granted: 1968-12-17
•
Expires: 1986-07-11
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Oleson
- 👤 Elmo G Leishman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:40
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1120657A
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US1708333A
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US2492164A
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US2642768A
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US3227031A
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US3296919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |