Patent US2750855A successfully refreshed from Google Patents.
US2750855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dewatering of pulp
Assignee: Individual
•
Filing: 1951-12-20
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Granted: 1956-06-19
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Expires: 1971-12-20
Abstract
No abstract record available.
Inventors
- 👤 Elbert C Lathrop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:46
CPC Classifications
D; D21; D21C; D21C9/00; D21C9/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
THE METHOD COMPRISING PROVIDING A NUCLEAR MASS OF PARTIALLY DEWATERED PULP POSSESSING THE CHARACTERISTICS OF CONTAINING SUFFICIENT WATER TO POSSESS THE CHARACTERISTICS OF A FLUID WHILE REMOVING WATER FROM THE SYSTEM, SAID FILM BEING OF A GENERALLY UNDULANT CHARACTER, SIMULTANEOUSLY CAUSING THE NUCLEAR MASS TO MOVE IN CONTACT WITH THE FILM WHEREBY THE MOLTION CONFORMS TO THE UNDULANT CHARACTER OF THE FILM AND WHEREBY THE MASS AGGLOMERATES PULP FROM THE FILM UPON ITSELF, SAID AGGLOMERATTED PULP BEING THEREBY TRANSFERRED FROM FLUID TO SOLID CHARACTER, AND RECOVERING SAID AGGLOMERATED MASS OF PULP.
Claim 2
Independent Claim
91 words
THE METHOD COMPRISING PROVIDING A NUCLEAR MASS OF PARTIALLY DEWATERED PULP POSSESSING THE CHARACTERISTICS OF CONTAINING SUFFICIENT WATER TO POSSESS THE CHARACTERISTICS OF A FLUID WHILE REMOVING WATER FROM THE SYSTEM, SAID FILM BEING OF A GENERALLY UNDULANT CHARACTER, SIMULTANEOUSLY CAUSING THE NUCLEAR MASS TO MOVE IN CONTACT WITH THE FILM WHEREBY THE MOLTION CONFORMS TO THE UNDULANT CHARACTER OF THE FILM AND WHEREBY THE MASS AGGLOMERATES PULP FROM THE FILM UPON ITSELF, SAID AGGLOMERATTED PULP BEING THEREBY TRANSFERRED FROM FLUID TO SOLID CHARACTER, AND RECOVERING SAID AGGLOMERATED MASS OF PULP.
References Cited (Backward Citations)
US1173748A
Cited
US2047808A
Cited
US2064024A
Cited
US2331455A
Cited
US2355091A
Cited
US2463814A
Cited
US2563249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |