Patent US1632612A successfully refreshed from Google Patents.
US2417508A
Expired / Lapsed
US
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Lifesaving craft
Assignee: Individual
•
Filing: 1944-01-12
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Granted: 1947-03-18
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Expires: 1964-01-12
Abstract
No abstract record available.
Inventors
- 👤 Glen W Leyde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:09
CPC Classifications
B; B63; B63B; B63B43/00; B63B43/02; B63B43/10; B63B5/00; B63B5/24; B63B2005/242
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB189404411A
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US652512A
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US736747A
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US799378A
Cited
US828852A
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US1050045A
Cited
US1049205A
Cited
US1181048A
Cited
US1718764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-17 | 1950-09-16 | 1951-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-17 | 1954-09-16 | 1955-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-17 | 1958-09-16 | 1959-03-18 | $7700.00 | Window Closed / Lapsed |