Patent US2991600A successfully refreshed from Google Patents.
US2991600A
Expired / Lapsed
US
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Method and apparatus for vacuum packaging with plastic sheaths
Assignee: Individual
•
Filing: 1957-08-26
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Granted: 1961-07-11
•
Expires: 1977-08-26
Abstract
No abstract record available.
Inventors
- 👤 Talbot A Lancaster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:54
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/04; B65B31/06; B65B31/02; Y; Y10; Y10S; Y10S425/00; Y10S425/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1970193A
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US2155445A
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US2621129A
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US2749686A
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US2730281A
Cited
US2690593A
Cited
US2750719A
Cited
US2780043A
Cited
US2861405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |