US2929131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making antifriction bearings
Assignee: Channing Corp
•
Filing: 1956-09-28
•
Granted: 1960-03-22
•
Expires: 1976-09-28
Abstract
No abstract record available.
Inventors
- 👤 Albert R Mccloskey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:33
CPC Classifications
F; F16; F16C; F16C43/00; F16C43/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49682; Y10T29/49684; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T29/4994; Y10T29/53; Y10T29/53104; Y10T29/53109
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1080169A
Cited
US2185483A
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DE924924C
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GB617991A
Cited
US2629165A
Cited
US2606361A
Cited
US2719765A
Cited
US2783528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |