Patent US3527668A successfully refreshed from Google Patents.
US3527668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the removal of water from cellulose webs and cleaning of the apparatus
Assignee: Individual
•
Filing: 1966-10-13
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Granted: 1970-09-08
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Expires: 1986-10-13
Abstract
No abstract record available.
Inventors
- 👤 Eduard Kusters
- 👤 Kurt Quoos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:23
CPC Classifications
D; D21; D21F; D21F3/00; D21F3/02; D21F3/0272; D21F3/08; D21F3/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2834809A
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US2890540A
Cited
US3035497A
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US3047454A
Cited
US3217387A
Cited
US3262840A
Cited
US3364103A
Cited
US3323983A
Cited
US3198694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |