US3387059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyesters prepared from branched chain monocarboxylic acids
Assignee: Kuhlmann SA
•
Filing: 1964-12-24
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Granted: 1968-06-04
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Expires: 1984-12-24
Abstract
No abstract record available.
Inventors
- 👤 Pajot Pierre Theodore Camille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:59
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/21; C07C51/23; C07C51/235; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/46; C09; C09D; C09D167/00; C09D167/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2815355A
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US2852563A
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US2871248A
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US3023185A
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US2973331A
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US2920056A
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US3042650A
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US2991274A
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US3039979A
Cited
US3123578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |