US2982477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waterline thermostat
Assignee: Dole Valve Co
•
Filing: 1958-01-09
•
Granted: 1961-05-02
•
Expires: 1978-01-09
Abstract
No abstract record available.
Inventors
- 👤 Harold B Drapeau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:34
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/021; G05D23/022; G05D23/13; G05D23/1306; G05D23/132; G05D23/1333
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1784063A
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US2871836A
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US2872119A
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US2901174A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |