US3002891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of pineapple stem bromelain
Assignee: Pineapple Research Inst of Hawaii
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Filing: 1958-12-12
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Granted: 1961-10-03
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Expires: 1978-12-12
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Heinicke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:19
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/48; C12N9/50; C12N9/63; Y; Y10; Y10S; Y10S435/00; Y10S435/814; Y10S435/816
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
IN A PROCESS FOR THE PRODUCTION OF AN ENZYME PREPARATION, THE STEPS COMPRISNG APPLYING TO THE STEMS OF PINEAPPLE PLANTS A SHEARING FORCE AND APPLYING PRESSURE TO THE STEMS TO EXTRACT THEREFROM THE JUICE, AND SEPARATING THE JUICE FROM THE SOLID MATERIALS.
Claim 2
Dependent Claim
42 words
IN A PROCESS FOR THE PRODUCTION OF AN ENZYME PREPARATION, THE STEPS COMPRISNG APPLYING TO THE STEMS OF PINEAPPLE PLANTS A SHEARING FORCE AND APPLYING PRESSURE TO THE STEMS TO EXTRACT THEREFROM THE JUICE, AND SEPARATING THE JUICE FROM THE SOLID MATERIALS.
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) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |