US2592772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety attachment for outboard motors
Assignee: Individual
•
Filing: 1948-03-27
•
Granted: 1952-04-15
•
Expires: 1968-03-27
Abstract
No abstract record available.
Inventors
- 👤 Walter A Wardius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:04
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/08; B63H20/10; B63H20/02; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US130756A
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US754483A
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US911972A
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US1508384A
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DE416843C
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US1498601A
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US1741205A
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US1821305A
Cited
US2144837A
Cited
US2279006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |