US2349177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for making blown plastic articles
Assignee: Plax Corp
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Filing: 1941-05-09
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Granted: 1944-05-16
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Expires: 1961-05-09
Abstract
No abstract record available.
Inventors
- 👤 William H Kopitke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:20
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/20; B29B; B29B13/00; B29B13/02; B29B13/023; B29B13/024; B29C45/03; B29C45/26; B29C48/00; B29C48/001; B29C48/0022; B29C48/03; B29C48/09; B29C48/25; B29C48/30; B29C48/32; B29C48/325; B29C48/36; B29C48/395; B29C49/00; B29C49/02; B29C49/04; B29C49/18; B29C49/42; B29C49/4273; B29C49/428; B29C49/42802; B29C49/48; B29C49/4802; B29C49/4817; B60; B60K; B60K11/00; B60K11/06; B29C35/00; B29C35/16; B29C2035/1658; B29C49/78; B29C49/783; B29C2049/7832; B29C2793/00; B29C2793/0027; B29C2793/009; B29C48/0017; B29C48/10; B29C48/475; B29C48/48; B29C49/50; B29L; B29L2031/00; B29L2031/54; B29L2031/542
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) | 1947-05-16 | 1947-11-15 | 1948-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-05-16 | 1951-11-15 | 1952-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-05-16 | 1955-11-15 | 1956-05-16 | $7700.00 | Window Closed / Lapsed |