Patent US2620944A successfully refreshed from Google Patents.
US2620944A
Expired / Lapsed
US
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Plastic container
Assignee: Individual
•
Filing: 1949-01-21
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Granted: 1952-12-09
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Expires: 1969-01-21
Abstract
No abstract record available.
Inventors
- 👤 William F Stahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:19
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/58; B65D75/5816; B65D75/5822; B65D2575/00; B65D2575/52; B65D2575/58; B65D2575/586; B65D75/04; B65D75/06; B65D75/12; Y; Y10; Y10S; Y10S383/00; Y10S383/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1767770A
Cited
GB392519A
Cited
US1910789A
Cited
US2093974A
Cited
US2093978A
Cited
US2400390A
Cited
US2369716A
Cited
US2333587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |