Patent US2759524A successfully refreshed from Google Patents.
US2759524A
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Methods and apparatus for forming welded joints in heat-fusible plastic material
Assignee: Individual
•
Filing: 1952-01-17
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Granted: 1956-08-21
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Expires: 1972-01-17
Abstract
No abstract record available.
Inventors
- 👤 Ford C Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:13
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/84; B29C66/841; B29C66/8412; B29C66/84121; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C65/74; B29C65/743; B29C65/7435; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/137; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/438; B29C66/81; B29C66/814; B29C66/8145; B29C66/81461; B29C66/82; B29C66/822; B29C66/8221; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83415; B29C65/7439; B29C66/8141; B29C66/81411; B29C66/81415; B29C66/81417; B29C66/81421; B29C66/81422; B29C66/843; B29C66/8432; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1084; Y10T156/1087; Y10T156/12; Y10T156/1317
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2379063A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |