US3468997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a high strength rotary member
Assignee: Beckman Coulter Inc
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Filing: 1965-12-01
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Granted: 1969-09-23
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Expires: 1985-12-01
Abstract
No abstract record available.
Inventors
- 👤 Edward G Pickels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:26
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/30; F16F15/305; B; B04; B04B; B04B5/00; B04B5/08; B04B7/00; B04B7/08; B04B7/085; B22; B22D; B22D13/00; B22D13/04; B29; B29C; B29C67/00; B29C67/0003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA611629A
Cited
US2129702A
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US2265226A
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US2993235A
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US3103722A
Cited
US3222439A
Cited
US3290426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |