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Patent US3497345A successfully refreshed from Google Patents.
US3497345A
Expired / Lapsed
US
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Titanium dioxide coated pesticidal granule
Assignee: US Philips Corp
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Filing: 1968-03-07
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Granted: 1970-02-24
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Expires: 1988-03-07
Abstract
No abstract record available.
Inventors
- 👤 Werner Duyfjes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:28
CPC Classifications
C; C04; C04B; C04B20/00; C04B20/0016; C04B20/002; A; A01; A01N; A01N25/00; A01N25/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3027248A
Cited
US2992090A
Cited
US3037854A
Cited
US3107150A
Cited
US3083089A
Cited
US3074845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |