US2813086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfur-containing crosslinked polyester elastomers
Assignee: Occidental Chemical Corp
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Filing: 1954-05-04
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Granted: 1957-11-12
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Expires: 1974-05-04
Abstract
No abstract record available.
Inventors
- 👤 Robitschek Paul
- 👤 George C Schweiker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:22
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/688; C08G63/6884; C08G63/6888; C08F; C08F299/00; C08F299/02; C08F299/04; C08F299/0478
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |