US3488783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Long spar buoy
Assignee: Global Marine Inc
•
Filing: 1968-01-12
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Granted: 1970-01-13
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Expires: 1988-01-12
Abstract
No abstract record available.
Inventors
- 👤 George S Lockwood Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:30
CPC Classifications
B; B63; B63B; B63B22/00; B63B22/18; B63B1/00; B63B1/02; B63B1/04; B63B1/048; B63B2201/00; B63B2201/20; B63B2207/00; B63B2231/00; B63B2231/40; B63B5/00; B63B5/24
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) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |