US2628692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic check
Assignee: Houdaille Hershey Corp
•
Filing: 1948-07-09
•
Granted: 1953-02-17
•
Expires: 1968-07-09
Abstract
No abstract record available.
Inventors
- 👤 Hufferd George Hiram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:18
CPC Classifications
D; D03; D03D; D03D49/00; D03D49/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US878932A
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US807574A
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US1579635A
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US1613782A
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US1621653A
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US1837817A
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US1945499A
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GB481569A
Cited
US2314404A
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US2371632A
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US2543585A
Cited
US2506697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |