US2952299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making bags of thermoplastic tubing
Assignee: Windmoeller and Hoelscher KG
•
Filing: 1955-08-16
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Granted: 1960-09-13
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Expires: 1975-08-16
Abstract
No abstract record available.
Inventors
- 👤 Finke Ernst Arno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:44
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/02; B31B70/022; B31B70/024; B31B2155/00; B31B2160/00; B31B2160/10; Y; Y10; Y10T; Y10T156/00; Y10T156/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2392695A
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US2652879A
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US2680471A
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US2698046A
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US2707985A
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US2710641A
Cited
US2768673A
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US2780275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |