Patent US2022790A successfully refreshed from Google Patents.
Patent US3082805A successfully refreshed from Google Patents.
US3082805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tissue macerator
Assignee: Individual
•
Filing: 1960-12-21
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Granted: 1963-03-26
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Expires: 1980-12-21
Abstract
No abstract record available.
Inventors
- 👤 John H Royce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:22
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A MACERATOR DEVICE COMPRISING AN INNER SHAFT MEMBER, AN OUTER TUBULAR MEMBER, SAID INNER SHAFT MEMBER ADAPTED TO BE ROTATABLE WITHIN SAID OUTER MEMBER, HELICAL CUTTING FLUTES LOCATED AT ONE END OF SAID INNER SHAFT MEMBER, SAID HELICAL CUTTING FLUTES HAVING A SOLID CENTRAL PORTION, CONTRA-HELICAL GUILLOTINE BLADES FORMED IN ONE END OF SAID OUTER TUBULAR MEMBER ADJACENT SAID FLUTES,
Claim 2
Dependent Claim
60 words
A MACERATOR DEVICE COMPRISING AN INNER SHAFT MEMBER, AN OUTER TUBULAR MEMBER, SAID INNER SHAFT MEMBER ADAPTED TO BE ROTATABLE WITHIN SAID OUTER MEMBER, HELICAL CUTTING FLUTES LOCATED AT ONE END OF SAID INNER SHAFT MEMBER, SAID HELICAL CUTTING FLUTES HAVING A SOLID CENTRAL PORTION, CONTRA-HELICAL GUILLOTINE BLADES FORMED IN ONE END OF SAID OUTER TUBULAR MEMBER ADJACENT SAID FLUTES,
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |