US3473505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mooring device
Assignee: SEAL BASIN MARINE CO
•
Filing: 1968-07-29
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Granted: 1969-10-21
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Expires: 1988-07-29
Abstract
No abstract record available.
Inventors
- 👤 Paul R Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:52
CPC Classifications
B; B63; B63B; B63B22/00; B63B22/02; E; E02; E02B; E02B3/00; E02B3/20; E02B3/24; Y; Y10; Y10T; Y10T24/00; Y10T24/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |