US3395620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw means for attaching mounting brackets and cylinder heads to a power cylinder body
Assignee: Westinghouse Air Brake Co
•
Filing: 1966-04-19
•
Granted: 1968-08-06
•
Expires: 1986-04-19
Abstract
No abstract record available.
Inventors
- 👤 Ralph F Schmoeger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:44
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/18; F15; F15B; F15B15/00; F15B15/08; F15B15/14; F15B15/1423; F15B15/1438; F16B5/00; F16B5/02; F16J; F16J10/00; F16J10/02; Y; Y10; Y10T; Y10T292/00; Y10T292/20; Y10T292/218
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1200474A
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US1204181A
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US1750702A
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US1832341A
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GB315182A
Cited
US2673130A
Cited
US2871794A
Cited
US2977936A
Cited
US3005669A
Cited
US3200717A
Cited
US3150570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |