US3497571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acrylic ester-cyclic ester elastomeric compositions
Assignee: Pechiney SA
•
Filing: 1967-12-12
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Granted: 1970-02-24
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Expires: 1987-12-12
Abstract
No abstract record available.
Inventors
- 👤 Pierre Tellier
- 👤 Edouard Grimaud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:26
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/16; C08F220/18; C08F220/1802; C08F220/1804; C08L; C08L33/00; C08L33/04; C08L33/06; C08L33/08; C08L61/00; C08L61/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3255163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |