Patent US3380150A successfully refreshed from Google Patents.
US3380150A
Expired / Lapsed
US
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Method and device for ultrasonic welding
Assignee: US Philips Corp
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Filing: 1967-07-31
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Granted: 1968-04-30
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Expires: 1987-07-31
Abstract
No abstract record available.
Inventors
- 👤 Daniels Henricus Petr Cornelis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:56
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/10; B29; B29C; B29C65/00; B29C65/02; B29C65/08; B29C65/081; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/90; B29C66/95; B29C66/951; B29C66/9513
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) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |