Patent US2594702A successfully refreshed from Google Patents.
US2594702A
Expired / Lapsed
US
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Retrievable marine marker
Assignee: DALE SERVICE CORP
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Filing: 1948-08-30
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Granted: 1952-04-29
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Expires: 1968-08-30
Abstract
No abstract record available.
Inventors
- 👤 Stanley W Woodard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:45
CPC Classifications
B; B63; B63B; B63B45/00; B63B45/08; G; G01; G01S; G01S1/00; G01S1/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1310568A
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US736432A
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US1292755A
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US1610779A
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US2170000A
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US2447069A
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US2401955A
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US2431018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |