Patent US2775261A successfully refreshed from Google Patents.
US2775261A
Expired / Lapsed
US
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Valved manifold for field spraying equipment
Assignee: COMFORT EQUIPMENT CO
•
Filing: 1951-03-08
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Granted: 1956-12-25
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Expires: 1971-03-08
Abstract
No abstract record available.
Inventors
- 👤 Lester G Ziller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:18
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F16K11/20; F16K11/22; A; A01; A01M; A01M7/00; A01M7/0089; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85954; Y10T137/87048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US609290A
Cited
US622114A
Cited
US622547A
Cited
US1265953A
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US1596982A
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US1550275A
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US1524225A
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US1530858A
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US1797591A
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US2056954A
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US2169043A
Cited
US2164295A
Cited
US2432309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |