US2781208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Journal box seal with spring plate
Assignee: Individual
•
Filing: 1950-08-31
•
Granted: 1957-02-12
•
Expires: 1970-08-31
Abstract
No abstract record available.
Inventors
- 👤 Curtis D Foss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:59
CPC Classifications
B; B61; B61F; B61F15/00; B61F15/20; B61F15/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2250348A
Cited
US2161767A
Cited
US2124108A
Cited
US2193326A
Cited
US2181203A
Cited
US2394012A
Cited
US2538683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-12 | 1960-08-13 | 1961-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-12 | 1964-08-13 | 1965-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-12 | 1968-08-13 | 1969-02-12 | $7700.00 | Window Closed / Lapsed |