Patent US3432982A successfully refreshed from Google Patents.
US3432982A
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US
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Method and apparatus for applying closure heat-seals to filled plastic bags
Assignee: Windmoeller and Hoelscher KG
•
Filing: 1965-09-15
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Granted: 1969-03-18
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Expires: 1985-09-15
Abstract
No abstract record available.
Inventors
- 👤 Friedhelm Brinkmeier
- 👤 Dietrich Aulmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:23
CPC Classifications
B; B65; B65B; B65B55/00; B65B55/24; B29; B29C; B29C65/00; B29C65/02; B29C65/10; B29C65/103; B29C65/14; B29C65/1429; B29C65/1432; B29C65/1448; B29C65/1454; B29C65/1458; B29C65/1464; B29C65/1467; B29C65/1487; B29C65/72; B29C65/78; B29C65/7858; B29C65/7861; B29C65/787; B29C65/7873; B29C66/00; B29C66/01; B29C66/02; B29C66/022; B29C66/0222; B29C66/024; B29C66/0242; B29C66/03; B29C66/034; B29C66/0342; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/137; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/70; B29C66/73; B29C66/737; B29C66/7373; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/836; B29C66/84; B29C66/849; B29C66/90; B29C66/91; B29C66/914; B29C66/9161; B29C66/91641; B29C66/91643; B29C66/91645; B29C65/7841; B29C65/7847; B29C66/739; B29C66/7392; B29C66/73921; B29C66/83421; B29C66/83423; B29L; B29L2031/00; B29L2031/712; B29L2031/7128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1276452A
Cited
US2156441A
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US2691474A
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US2822653A
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US3140571A
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US3200557A
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GB963076A
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US3248843A
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US3286433A
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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) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |