US2752095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid mixing device
Assignee: Robertshaw Controls Co
•
Filing: 1952-05-22
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Granted: 1956-06-26
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Expires: 1972-05-22
Abstract
No abstract record available.
Inventors
- 👤 Louis M Puster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:56
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1306; G05D23/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US181288A
Cited
USRE14836E
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US1784465A
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US853504A
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US1246355A
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US2455498A
Cited
US2515885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |