US3422178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous polymer casting machine and process
Assignee: Monsanto Co
•
Filing: 1965-10-12
•
Granted: 1969-01-14
•
Expires: 1985-10-12
Abstract
No abstract record available.
Inventors
- 👤 Bernhard T Junker
- 👤 Ross M Hedrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:33
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/20; B29C44/206; B29C39/00; B29C39/14; B29C39/16; B29C39/22; B29C39/24; B29C44/30; B29K; B29K2105/00; B29K2105/0002; B29K2105/0058; B29K2105/0067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR587042A
Cited
DE842267C
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FR1136263A
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FR1165798A
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FR1180049A
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US2921346A
Cited
US3065500A
Cited
US3110941A
Cited
US3236789A
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US3214793A
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US3257484A
Cited
FR1467792A
Cited
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 |