US2989518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carboxymethyl benzyl dextran
Assignee: Commonwealth Engineering Company of Ohio
•
Filing: 1957-05-13
•
Granted: 1961-06-20
•
Expires: 1977-05-13
Abstract
No abstract record available.
Inventors
- 👤 Leo J Novak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:39
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/0006; C08B37/0009; C08B37/0021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
AS A NEW COMPOSITION FOR USE AS AN ADHESIVE AND COMPRISING AS AN ESSENTIAL CONSTITUENT CARBOXYMETHYL BENZYL DEXTRAN DISSOLVED IN A SOLVENT.
Claim 2
Dependent Claim
22 words
AS A NEW COMPOSITION FOR USE AS AN ADHESIVE AND COMPRISING AS AN ESSENTIAL CONSTITUENT CARBOXYMETHYL BENZYL DEXTRAN DISSOLVED IN A SOLVENT.
References Cited (Backward Citations)
US2734828A
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US2203705A
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US2380879A
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US2476331A
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US2671779A
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US2789915A
Cited
US2768096A
Cited
US2811516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |