US2954364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing polyester amides containing preformed amide linkages
Assignee: Monsanto Canada Inc
•
Filing: 1958-03-17
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Granted: 1960-09-27
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Expires: 1978-03-17
Abstract
No abstract record available.
Inventors
- 👤 Coleman Denis
- 👤 Kraszner Dora
- 👤 Arthur F Mckay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:10
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2249950A
Cited
US2417513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |