US2774697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive comprising alkenyl diglycol carbonate and articles bonded therewith
Assignee: Bjorksten Research Laboratories Inc
•
Filing: 1953-06-17
•
Granted: 1956-12-18
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Expires: 1973-06-17
Abstract
No abstract record available.
Inventors
- 👤 Francis F Koblitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:29
CPC Classifications
C; C09; C09J; C09J131/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31507; Y10T428/31551; Y10T428/31645; Y10T428/31678; Y10T428/31692
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
AS A COMPOSITION OF MATTER, A MIXTURE OF COPOLYMER FORMED FROM A MONOMER HAVING THE FORMULA:
Claim 2
Dependent Claim
16 words
AS A COMPOSITION OF MATTER, A MIXTURE OF COPOLYMER FORMED FROM A MONOMER HAVING THE FORMULA:
References Cited (Backward Citations)
US2445535A
Cited
US2445536A
Cited
US2420911A
Cited
GB620693A
Cited
US2715135A
Cited
US2716638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |