US2546164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for welding thermoplastic bodies
Assignee: Individual
•
Filing: 1949-12-29
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Granted: 1951-03-27
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Expires: 1969-12-29
Abstract
No abstract record available.
Inventors
- 👤 Neil S Norris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:05
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/50; B29C66/51; B29C66/52; B29C66/522; B29C66/5221; B29C65/00; B29C65/02; B29C65/18; B29C65/20; B29C65/2007; B29C65/2038; B29C65/2053; B29C65/2061; B29C65/2069; B29C65/2076; B29C65/22; B29C65/221; B29C65/222; B29C65/228; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/114; B29C66/1142; B29C66/40; B29C66/41; B29C66/43; B29C66/80; B29C66/81; B29C66/818; B29C66/8187; B29C66/81871
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) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |