Patent US3098247A successfully refreshed from Google Patents.
US3098247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water craft
Assignee: Individual
•
Filing: 1961-05-26
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Granted: 1963-07-23
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Expires: 1981-05-26
Abstract
No abstract record available.
Inventors
- 👤 Sanford W Stein
- 👤 Stein Josephine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:16
CPC Classifications
B; B63; B63B; B63B34/00; B63B34/50; B63B34/54; B63B32/00; B63B32/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA517961A
Cited
GB190017699A
Cited
US1693867A
Cited
CH167761A
Cited
US2762063A
Cited
US2950923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |