US2418397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Life jacket dye marker
Assignee: Wyeth Holdings LLC
•
Filing: 1944-03-15
•
Granted: 1947-04-01
•
Expires: 1964-03-15
Abstract
No abstract record available.
Inventors
- 👤 Collyer Robert
- 👤 Allan B Clow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:16
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/08; B63C9/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1987545A
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GB393199A
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US2306001A
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US2281473A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-31 | 1950-09-30 | 1951-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-31 | 1954-09-30 | 1955-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-31 | 1958-09-30 | 1959-04-01 | $7700.00 | Window Closed / Lapsed |