Patent US3472783A successfully refreshed from Google Patents.
US3472783A
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US
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Nonionic detergent compositions
Assignee: HIDEO E HAMAISHI
•
Filing: 1966-02-02
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Granted: 1969-10-14
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Expires: 1986-02-02
Abstract
No abstract record available.
Inventors
- 👤 Winston B Smillie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:59
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/38; C11D3/386; C11D3/38663; C11D17/00; C11D17/0004; C11D3/38618; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB265024A
Cited
US1882279A
Cited
US1970578A
Cited
GB374361A
Cited
US2164914A
Cited
US2607359A
Cited
US3272717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |