US2999270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion packaging apparatus
Assignee: Industrial Nucleonics Corp
•
Filing: 1958-09-29
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Granted: 1961-09-12
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Expires: 1978-09-29
Abstract
No abstract record available.
Inventors
- 👤 Robert A Knapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:38
CPC Classifications
A; A22; A22C; A22C11/00; A22C11/02; A22C11/0245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1395967A
Cited
US2687052A
Cited
US2790945A
Cited
US2737186A
Cited
US2831980A
Cited
US2871508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |