Patent US2932535A successfully refreshed from Google Patents.
US2932535A
Expired / Lapsed
US
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Shaft seals
Assignee: Federal Mogul Bower Bearings Inc
•
Filing: 1955-05-31
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Granted: 1960-04-12
•
Expires: 1975-05-31
Abstract
No abstract record available.
Inventors
- 👤 Vasalie L Peickii
- 👤 Robert W Mccandless
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:02
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3284; Y; Y10; Y10S; Y10S264/00; Y10S264/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2597976A
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US2750212A
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US2736585A
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US2717025A
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US2804324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |