US3023972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor assembly and pulp treating machine
Assignee: Voith Morden Inc
•
Filing: 1959-05-25
•
Granted: 1962-03-06
•
Expires: 1979-05-25
Abstract
No abstract record available.
Inventors
- 👤 Honeyman Robert Blakeley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:40
CPC Classifications
B; B02; B02C; B02C7/00; B02C7/02; B02C7/06; D; D21; D21D; D21D1/00; D21D1/20; D21D1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1538791A
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US1587063A
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GB406782A
Cited
US2087556A
Cited
US2362035A
Cited
US2544971A
Cited
US2630274A
Cited
US2765712A
Cited
US2891733A
Cited
US2937815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |