US2966019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus used in filling and closing machines for evacuation of gas treatment
Assignee: FR Hesser Maschinenfabrik AG
•
Filing: 1958-12-24
•
Granted: 1960-12-27
•
Expires: 1978-12-24
Abstract
No abstract record available.
Inventors
- 👤 Grafingholt Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:55
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/02; B65B31/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1958951A
Cited
US2052872A
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US2130761A
Cited
US2334983A
Cited
US2482609A
Cited
US2570956A
Cited
US2729378A
Cited
US2778177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |