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US2491477A
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Adhesive cement having a butadiene-acrylonitrile copolymer base
Assignee: 3M Co
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Filing: 1943-12-07
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Granted: 1949-12-20
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Expires: 1963-12-07
Abstract
No abstract record available.
Inventors
- 👤 Eugene M Chmiel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:17
CPC Classifications
C; C08; C08L; C08L9/00; C08L9/02; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18; C08L61/00; C08L61/04; C08L93/00; C08L93/04; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31696
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US705104A
Cited
US2193026A
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US2114393A
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US2227991A
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US2337464A
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US2325981A
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US2340699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-19 | 1953-06-20 | 1953-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-19 | 1957-06-20 | 1957-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-19 | 1961-06-20 | 1961-12-20 | $7700.00 | Window Closed / Lapsed |