US2646259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condenser
Assignee: Houdaille Hershey Corp
•
Filing: 1950-02-02
•
Granted: 1953-07-21
•
Expires: 1970-02-02
Abstract
No abstract record available.
Inventors
- 👤 Burnet J Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:57
CPC Classifications
F; F25; F25B; F25B39/00; F25B39/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49396
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2371215A
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US1800150A
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GB349860A
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US2091584A
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GB447891A
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US2029891A
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DE695504C
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US2190288A
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US2289685A
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US2279272A
Cited
US2281299A
Cited
FR891592A
Cited
US2441463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |