US2984529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unitary sealed piston
Assignee: Baldwin Rubber Co
•
Filing: 1959-01-26
•
Granted: 1961-05-16
•
Expires: 1979-01-26
Abstract
No abstract record available.
Inventors
- 👤 Vacell D Dailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:38
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/14; F04B53/143; F15; F15B; F15B15/00; F15B15/08; F15B15/14; F15B15/1423; F15B15/1447; F15B15/1452; F15B15/20; F15B15/22; F15B15/226
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US723025A
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US1577732A
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US1715406A
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US1718474A
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US2214261A
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US2261962A
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US2287483A
Cited
US2621634A
Cited
US2642845A
Cited
US2840428A
Cited
US2895773A
Cited
US2913293A
Cited
US2884903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |