US3525089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telemeter of mechanical displacement
Assignee: Marathon Oil Co
•
Filing: 1966-03-17
•
Granted: 1970-08-18
•
Expires: 1986-03-17
Abstract
No abstract record available.
Inventors
- 👤 Charles R Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:26
CPC Classifications
G; G08; G08C; G08C19/00; G08C19/16; G08C19/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE26209E
Cited
US2679757A
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US2730698A
Cited
US2974303A
Cited
US3007134A
Cited
US3189881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |