US3046575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Personal inflatable life guard
Assignee: Davis and Mcgill Inc
•
Filing: 1959-10-15
•
Granted: 1962-07-31
•
Expires: 1979-10-15
Abstract
No abstract record available.
Inventors
- 👤 Daniel O Davis
- 👤 Landon G Mcgill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:00
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/08; B63C9/13; B63C9/15; B63C9/155; B63C2009/131
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1766182A
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US1798430A
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US1811847A
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US2141799A
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US2194262A
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US2173567A
Cited
US2463641A
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US2675143A
Cited
GB731584A
Cited
US2903719A
Cited
US2919833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |