US3421930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensation of monomer and low n-mer vapors to increase polymerization rates in a corona discharge
Assignee: Continental Can Co Inc
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Filing: 1965-08-13
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Granted: 1969-01-14
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Expires: 1985-08-13
Abstract
No abstract record available.
Inventors
- 👤 Jack R Knox
- 👤 Karl-Heinz Teumer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:35
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/62; C; C08; C08F; C08F2/00; C08F2/46; C08F2/52; H; H01; H01J; H01J37/00; H01J37/32; H01J37/32009; H01J37/32018
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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |