Patent US2877653A successfully refreshed from Google Patents.
US2877653A
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Piston driving mechanism and lubricating means therefor
Assignee: Specialties Development Corp
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Filing: 1955-03-04
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Granted: 1959-03-17
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Expires: 1975-03-04
Abstract
No abstract record available.
Inventors
- 👤 Masnik Walter
- 👤 Ernest V Romeo
- 👤 James V Zurlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:44
CPC Classifications
F; F04; F04B; F04B27/00; F04B27/08; F04B27/10; F04B27/1036; F04B27/1054; F04B27/0873; F04B27/0878; F04B27/0886; F04B27/109; F04B27/12; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18336
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1370927A
Cited
US2112934A
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US2104391A
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US2337821A
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US2570698A
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US2583564A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |