US3526002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnebuoy
Assignee: RAMOND C WADDEL
•
Filing: 1960-03-31
•
Granted: 1970-08-25
•
Expires: 1980-03-31
Abstract
No abstract record available.
Inventors
- 👤 Ramond C Waddel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:40
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/08; G01V3/087; G01R; G01R33/00; G01R33/20; G01R33/24; G01V3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2838741A
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US2905915A
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US2856579A
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US2861242A
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US3030571A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |