US2342823A
Expired / Lapsed
US
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Materials from high molecular polyamides
Assignee: Individual
•
Filing: 1940-10-04
•
Granted: 1944-02-29
•
Expires: 1960-10-04
Abstract
No abstract record available.
Inventors
- 👤 Schlack Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:03
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; C08J7/14; D; D06; D06M; D06M11/00; D06M11/68; D06M11/70; D06M13/00; D06M13/10; D06M13/224; D06M13/238; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/41; D06M15/412; D06P; D06P1/00; D06P1/44; D06P1/62; D06P1/621; D06P1/622; D06P1/625; D06P1/64; D06P1/651; D06P1/65106; D06P1/65118; D06P1/653; D06P1/673; D06P1/67316; D06P1/67325; C08J2377/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-02-28 | 1947-08-30 | 1948-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-02-28 | 1951-08-30 | 1952-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-02-28 | 1955-08-30 | 1956-02-29 | $7700.00 | Window Closed / Lapsed |