Patent US3474938A successfully refreshed from Google Patents.
US3474938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprayer and dispenser mechanism
Assignee: COOK CHEM Co
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Filing: 1967-12-13
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Granted: 1969-10-28
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Expires: 1987-12-13
Abstract
No abstract record available.
Inventors
- 👤 Juel D Clevenger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:46
CPC Classifications
B; B05; B05B; B05B11/00; B05B11/01; B05B11/10; B05B11/1001; B05B11/1002; B05B11/0005; B05B11/0062; B05B11/1042; B05B11/1052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2004295A
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US2626185A
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US2615757A
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US2753578A
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US3061202A
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US3144867A
Cited
US3321111A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |