Patent US1856419A successfully refreshed from Google Patents.
US3444792A
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Method for the production of tubes
Assignee: Holstein und Kappert Maschinenfabrik Phonix GmbH
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Filing: 1965-08-18
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Granted: 1969-05-20
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Expires: 1985-08-18
Abstract
No abstract record available.
Inventors
- 👤 Georg Thesing
- 👤 Eckehard Singe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:39
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C53/00; B29C53/36; B29C53/38; B29C53/48; B29C53/50; B29C65/00; B29C65/02; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/135; B29C66/431; B29C66/434; B29C66/4342; B29C66/43421; B29C66/49; B29C66/70; B29C66/72; B29C66/723; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/82; B29C66/822; B29C66/8221; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/84; B29C66/851; B31; B31F; B31F1/00; B31F1/0003; B31F1/0006; B31F1/0009; B31F1/0019; B31F1/0029; B31F1/0045; B31F1/0048; B31F1/0061; B31F1/0064; B65; B65B; B65B9/00; B65B9/10; B65B9/20; B65B9/2035; B65D; B65D5/00; B65D5/42; B65D5/56; B65D5/563; B29C53/02; B29C53/04; B29C53/06; B29C65/10; B29C66/7232; B29C66/72321; B29C66/72327; B29C66/72328; B29K; B29K2711/00; B29K2711/12; B29K2711/123; B29L; B29L2009/00; B31B; B31B50/00; B31B50/26; B31B50/28; B31B50/44; B31B50/74; B31B50/742; B31B50/743; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1015
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) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |