US3371055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing shaped polyamide bodies
Assignee: Werner and Pfleiderer GmbH
•
Filing: 1964-07-21
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Granted: 1968-02-27
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Expires: 1984-07-21
Abstract
No abstract record available.
Inventors
- 👤 Illing Gerhard
- 👤 Zahradnik Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:35
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; C08G69/08; C08G69/14; C08G69/16; C08G69/18; B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/50; B29C48/76; B29C48/03; B29C48/395; B29C48/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735840A
Cited
US3017391A
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US3200095A
Cited
US3166533A
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US3287322A
Cited
US3239490A
Cited
US3294757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |