US2633894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic welding
Assignee: Raytheon Co
•
Filing: 1948-04-21
•
Granted: 1953-04-07
•
Expires: 1968-04-21
Abstract
No abstract record available.
Inventors
- 👤 Preston B Carwile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:36
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C65/00; B29C65/02; B29C65/08; B29C65/083; B29C65/086; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/431; B29C66/4312; B29C66/43121; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/818; B29C66/8182; B29C66/81821; B29C66/82; B29C66/824; B29C66/8248; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/71; B29C66/816; B29C66/8161; B29C66/8242; B29C66/90; B29C66/95; B29C66/951; B29C66/9512
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1210455A
Cited
US1940145A
Cited
US2227497A
Cited
US2289618A
Cited
US2322298A
Cited
US2367725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |