US2434330A
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High-frequency dielectric seaming apparatus
Assignee: Union Special Machine Co
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Filing: 1944-06-06
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Granted: 1948-01-13
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Expires: 1964-06-06
Abstract
No abstract record available.
Inventors
- 👤 Benjamin W Merz
- 👤 Albert M Schweda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:56
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C65/00; B29C65/02; B29C65/04; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/43122; B29C66/81; B29C66/812; B29C66/8126; B29C66/81262; B29C66/816; B29C66/8161; B29C66/818; B29C66/8187; B29C66/81871; B29C66/82; B29C66/822; B29C66/8221; B29C66/8223; B29C66/8226; B29C66/82265; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/50; B29C65/5057; B29C65/5092; B29L; B29L2031/00; B29L2031/712; B29L2031/7162; B29L2031/7166
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) | 1951-01-12 | 1951-07-14 | 1952-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-12 | 1955-07-14 | 1956-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-12 | 1959-07-14 | 1960-01-13 | $7700.00 | Window Closed / Lapsed |