Patent US3059253A successfully refreshed from Google Patents.
US3059253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency float
Assignee: Individual
•
Filing: 1959-04-02
•
Granted: 1962-10-23
•
Expires: 1979-04-02
Abstract
No abstract record available.
Inventors
- 👤 Karl E Sager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:52
CPC Classifications
B; B63; B63B; B63B22/00; B63B22/22; Y; Y10; Y10S; Y10S206/00; Y10S206/803; Y10S206/811
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2140552A
Cited
US2395266A
Cited
US2409910A
Cited
US2582228A
Cited
US2653139A
Cited
US2660194A
Cited
US2898634A
Cited
US2989938A
Cited
US2958905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |