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US2659307A
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US
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Compound pressure pump
Assignee: Yale and Towne Manufacturing Co
•
Filing: 1947-11-04
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Granted: 1953-11-17
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Expires: 1967-11-04
Abstract
No abstract record available.
Inventors
- 👤 Herbert J Framhein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:24
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/04; B62B3/06; B62B3/0618
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US877583A
Cited
US1706309A
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US1852335A
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US1889396A
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US2044857A
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US2250551A
Cited
US2308864A
Cited
US2442058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |