US3453208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low friction bearings with improved wear properties
Assignee: Zeneca Inc
•
Filing: 1966-10-04
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Granted: 1969-07-01
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Expires: 1986-10-04
Abstract
No abstract record available.
Inventors
- 👤 John P Gallagher
- 👤 Frederick L Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:47
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C33/201; C; C08; C08K; C08K3/00; C08K3/34; C08L; C08L27/00; C08L27/02; C08L27/12; C08L27/18; C08L81/00; C08L81/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2400099A
Cited
US3122505A
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US3222326A
Cited
US3314916A
Cited
US3290412A
Cited
US3287288A
Cited
US3365431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |