US3548033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of monomers with group ii-a metal complexes
Assignee: General Electric Co
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Filing: 1969-07-01
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Granted: 1970-12-15
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Expires: 1989-07-01
Abstract
No abstract record available.
Inventors
- 👤 Edgar E Bostick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:42
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/06; C08F4/12; C07; C07F; C07F3/00; C08F236/00; C08F236/02; C08F236/04; C08F36/00; C08F36/02; C08F36/04
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) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |