Patent US3489039A successfully refreshed from Google Patents.
US3489039A
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US
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Assignee: Individual
•
Filing: 1968-02-15
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Granted: 1970-01-13
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Expires: 1988-02-15
Abstract
No abstract record available.
Inventors
- 👤 Roger Beaupere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:44
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/04; B23Q16/06; B23Q16/065; F; F16; F16H; F16H27/00; F16H27/04; F16H27/10; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1412; Y10T74/1418; Y10T74/1424; Y10T74/1441; Y10T74/1453; Y10T74/1482
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1988675A
Cited
US1967689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |