Patent US4751798A successfully refreshed from Google Patents.
Patent US3377978A successfully refreshed from Google Patents.
US3377978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power boat outdrive assemblies
Assignee: Individual
•
Filing: 1965-08-02
•
Granted: 1968-04-16
•
Expires: 1985-08-02
Abstract
No abstract record available.
Inventors
- 👤 Russell I Tillman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:31
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/001; B63H20/002; B63H1/00; B63H1/02; B63H1/12; B63H1/14; B63H1/16; B63H20/08; B63H20/12; B63H20/14; B63H20/16; B63H20/32; B63H20/34; B63H20/10; B63H23/00; B63H2023/005
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |