US2469343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spoon package
Assignee: Marathon Corp
•
Filing: 1946-03-07
•
Granted: 1949-05-03
•
Expires: 1966-03-07
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Siewert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:16
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/64; B65D5/66; B65D5/6626; B65D5/6673; B65D77/00; B65D77/22; B65D77/24; B65D77/245; Y; Y10; Y10S; Y10S229/00; Y10S229/902; Y10S229/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-02 | 1952-11-01 | 1953-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-02 | 1956-11-01 | 1957-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-02 | 1960-11-01 | 1961-05-03 | $7700.00 | Window Closed / Lapsed |