Patent US1741970A successfully refreshed from Google Patents.
US2530780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protein base glues
Assignee: Balfour-Guthrie and Co Ltd
•
Filing: 1948-11-20
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Granted: 1950-11-21
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Expires: 1968-11-20
Abstract
No abstract record available.
Inventors
- 👤 Russell G Peterson
- 👤 Gerard R Brieger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:28
CPC Classifications
C; C09; C09J; C09J189/00; C09J189/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
AN ADHESIVE COMPOSITION COMPRISING A BASE INCORPORATING BLOOD MATERIAL OF THE GROUP CONSISTING OF WHOLE BLOOD SOLIDS AND BLOOD ALBUMIN, AND A CONDITIONER OF THE GROUP CONSISTING OF TOLUENE AND POLYMETHYLBENZENES IN AN AMOUNT BY WEIGHT OF 1 TO 5% OF SAID BASE.
Claim 2
Dependent Claim
43 words
AN ADHESIVE COMPOSITION COMPRISING A BASE INCORPORATING BLOOD MATERIAL OF THE GROUP CONSISTING OF WHOLE BLOOD SOLIDS AND BLOOD ALBUMIN, AND A CONDITIONER OF THE GROUP CONSISTING OF TOLUENE AND POLYMETHYLBENZENES IN AN AMOUNT BY WEIGHT OF 1 TO 5% OF SAID BASE.
References Cited (Backward Citations)
US1392849A
Cited
US2014167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |