Patent US3323523A successfully refreshed from Google Patents.
US3432036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conditioning papermaking stock
Assignee: Clark and Vicario Corp
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Filing: 1964-12-09
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Granted: 1969-03-11
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Expires: 1984-12-09
Abstract
No abstract record available.
Inventors
- 👤 Robert G Kaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:08
CPC Classifications
D; D21; D21D; D21D5/00; D21D5/26; B; B01; B01D; B01D19/00; B01D19/0068; B04; B04C; B04C5/00; B04C5/24; B04C5/26; B04C5/28; D21D5/18
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) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |