Patent US2828341A successfully refreshed from Google Patents.
US2828341A
Expired / Lapsed
US
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N-halophenyl derivatives of leucauramine
Assignee: NCR Voyix Corp
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Filing: 1955-11-01
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Granted: 1958-03-25
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Expires: 1975-11-01
Abstract
No abstract record available.
Inventors
- 👤 Clyde S Adams
- 👤 Marjorie J Cormack
- 👤 Frazier Mary Lou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:02
CPC Classifications
C; C09; C09B; C09B11/00; C09B11/02; B; B41; B41M; B41M5/00; B41M5/124; B41M5/132; B41M5/136
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
THE N-HALOPHENYL DERIVATIVES OF LEUCAURAMINE, WHICH DERIVATIVES HAVE THE GENERAL STRUCTURE:
Claim 2
Dependent Claim
11 words
THE N-HALOPHENYL DERIVATIVES OF LEUCAURAMINE, WHICH DERIVATIVES HAVE THE GENERAL STRUCTURE:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |