Patent US5157614A successfully refreshed from Google Patents.
Patent US2576150A successfully refreshed from Google Patents.
Patent US594732A successfully refreshed from Google Patents.
Patent US2462941A successfully refreshed from Google Patents.
Patent US2952299A successfully refreshed from Google Patents.
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
•
Granted: 1960-09-13
•
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
2026-11-01 10:13
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2392695A
Cited
US2652879A
Cited
US2680471A
Cited
US2698046A
Cited
US2707985A
Cited
US2710641A
Cited
US2768673A
Cited
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 |