US2544044A
Expired / Lapsed
US
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Apparatus and method for producing gusseted plastic tubing
Assignee: Plax Corp
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Filing: 1948-07-14
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Granted: 1951-03-06
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Expires: 1968-07-14
Abstract
No abstract record available.
Inventors
- 👤 Clarence G Reber
- 👤 Dalzell Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:22
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/88; B29C48/90; B29C48/908; B29C48/03; B29C48/09; B29C48/10; B29C48/30; B29C48/32; B29C48/901; B29C48/001; B29C48/0018; B29C48/0019; B29C48/355; B29C48/885; B29C48/903; B29C48/911; B29C48/9115; B29C48/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |