US2934130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming a round tube from flat sheet material
Assignee: LIQUA PAK Inc
•
Filing: 1955-12-20
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Granted: 1960-04-26
•
Expires: 1975-12-20
Abstract
No abstract record available.
Inventors
- 👤 Lane George William
- 👤 Sawicki John Gayle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:25
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83421; B29C66/83423; B29C53/00; B29C53/36; B29C53/38; B29C53/48; B29C53/50; B29C53/52; B29C65/00; B29C65/02; B29C65/18; B29C65/78; B29C65/7858; B29C65/7888; B29C65/7891; B29C66/01; B29C66/03; B29C66/034; B29C66/0342; B29C66/05; B29C66/10; B29C66/13; B29C66/133; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C66/49; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B65; B65B; B65B51/00; B65B51/10; B65B51/26; B65B9/00; B65B9/10; B65B9/20; B29C35/00; B29C35/16; B29C2035/1658; B29L; B29L2023/00; B29L2023/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2113658A
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US2176370A
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US2140213A
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US2237537A
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US2272530A
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US2491048A
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US2718915A
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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) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |