Patent US2713029A successfully refreshed from Google Patents.
US2713029A
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Drilling mud addition agent
Assignee: Masonite Corp
•
Filing: 1952-05-07
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Granted: 1955-07-12
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Expires: 1972-05-07
Abstract
No abstract record available.
Inventors
- 👤 James M Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:07
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/02; C09K8/03; C09K8/035; C09K8/04; C09K8/14; C09K8/18; C09K8/20; C09K8/206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A DRILLING MUD ADDITION AGENT CONSISTING OF AN OLIGOSACCHARIDE MIXTURE OBTAINED FROM THERMALLY HYDROLYZED WOOD AND COMPOSED OF ARABINOSE, MANNOSE, GALACTOSE, GLUCOSE, AND XYLOSE SUGAR UNITS WHICH CONSISTS PRINCIPALLY OF PENTOSANS AND HEXOSANS CONTAINING FROM ONE TO FOUR COMBINED SUGAR UNITS.
Claim 2
Dependent Claim
41 words
A DRILLING MUD ADDITION AGENT CONSISTING OF AN OLIGOSACCHARIDE MIXTURE OBTAINED FROM THERMALLY HYDROLYZED WOOD AND COMPOSED OF ARABINOSE, MANNOSE, GALACTOSE, GLUCOSE, AND XYLOSE SUGAR UNITS WHICH CONSISTS PRINCIPALLY OF PENTOSANS AND HEXOSANS CONTAINING FROM ONE TO FOUR COMBINED SUGAR UNITS.
References Cited (Backward Citations)
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US2364434A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-11 | 1959-01-10 | 1959-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-11 | 1963-01-10 | 1963-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-11 | 1967-01-10 | 1967-07-12 | $7700.00 | Window Closed / Lapsed |