US2596727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency tuning apparatus particularly adapted to seamers
Assignee: Union Special Machine Co
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Filing: 1947-04-03
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Granted: 1952-05-13
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Expires: 1967-04-03
Abstract
No abstract record available.
Inventors
- 👤 Willard C Rykert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:17
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/84; B29C66/845; B29C65/00; B29C65/02; B29C65/04; B29C66/81; B29C66/816; B29C66/8161; B29C66/818; B29C66/8187; B29C66/81871; B29C66/82; B29C66/822; B29C66/8223; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/841; B29C66/8416; B29C66/90; B29C66/96; B29C66/967; B29C66/9672; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/73; B29C66/731; B29C66/7314; B29C66/73143; B29C66/812; B29C66/8122; B29C66/8126; B29C66/81262; B29C66/81263
Claims Analysis
Total Claims: 0
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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) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |