US4414634B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4414634B1 - - Google Patents
Assignee: Adalet Scott Fetzer Co
•
Filing: 1981-07-17
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Granted: 1988-05-10
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Expires: 2001-07-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:10
CPC Classifications
E; E21; E21B; E21B47/00; E21B47/10; G; G01; G01F; G01F15/00; G01F15/06; G01F15/061; G01F15/063; G06; G06Q; G06Q50/00; G06Q50/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-05-10 | 1991-11-09 | 1992-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-10 | 1995-11-09 | 1996-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-10 | 1999-11-09 | 2000-05-10 | $7700.00 | Window Closed / Lapsed |