US3446540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-friction bearings
Assignee: Individual
•
Filing: 1966-10-12
•
Granted: 1969-05-27
•
Expires: 1986-10-12
Abstract
No abstract record available.
Inventors
- 👤 Ted Geffner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:53
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/04; F16C29/06; F16C29/068; F16C29/0683; F16C29/0685; F16C31/00; F16C31/04; F16C31/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US501790A
Cited
US580498A
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US3097539A
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US2576269A
Cited
US2451359A
Cited
US2520785A
Cited
US2599969A
Cited
US3005665A
Cited
US3061822A
Cited
US3086824A
Cited
US3025114A
Cited
US3043634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |