US3445498A
Expired / Lapsed
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Boric acid esters
Assignee: Universal Oil Products Co
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Filing: 1965-05-25
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Granted: 1969-05-20
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Expires: 1985-05-25
Abstract
No abstract record available.
Inventors
- 👤 Henryk A Cyba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:24
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; C10L1/303; C07; C07F; C07F5/00; C07F5/02; C07F5/04; C08; C08K; C08K5/00; C08K5/55; C09; C09K; C09K15/00; C09K15/04; C09K15/32; C09K15/328; C10M; C10M139/00; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/34; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2227/00; C10M2227/06; C10M2227/061; C10M2227/062; C10N; C10N2010/00; C10N2010/02; C10N2030/00; C10N2030/08; C10N2030/12; C10N2040/00; C10N2040/12; C10N2040/13; C10N2040/135; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2040/25; C10N2040/252; C10N2040/253; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |