US2799759A
Expired / Lapsed
US
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Process for the welding of a plastic material
Assignee: L ELECTRONIQUE FRANCAISE SOC D
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Filing: 1955-02-18
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Granted: 1957-07-16
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Expires: 1975-02-18
Abstract
No abstract record available.
Inventors
- 👤 Blond Joseph Edouard Marie
- 👤 Nasica Jean Roger Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:01
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/04; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; B29C66/84; B29C66/845; B29C66/90; B29C66/94; B29C66/944; B29C66/431; B29C66/4312; B29C66/849; B29C66/8491; B29C66/91; B29C66/92; B29C66/924; B29C66/9241; B29L; B29L2023/00; B29L2023/005
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) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |