Patent US1426123A successfully refreshed from Google Patents.
US2118893A
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Jointing of tubes of thermoplastic material
Assignee: Felten and Guilleaume Carlswerk AG
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Filing: 1937-02-18
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Granted: 1938-05-31
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Expires: 1957-02-18
Abstract
No abstract record available.
Inventors
- 👤 Meerbeck Gottfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:27
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/50; B29C66/63; B29C66/636; B29C65/00; B29C65/02; F; F16; F16L; F16L21/00; F16L21/02; F16L21/022; F16L47/00; F16L47/02; H; H02; H02G; H02G15/00; H02G15/20; H02G15/24; Y; Y10; Y10S; Y10S285/00; Y10S285/919
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) | 1941-05-30 | 1941-11-29 | 1942-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-05-30 | 1945-11-29 | 1946-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-05-30 | 1949-11-29 | 1950-05-31 | $7700.00 | Window Closed / Lapsed |