US2977606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat
Assignee: Individual
•
Filing: 1958-04-21
•
Granted: 1961-04-04
•
Expires: 1978-04-21
Abstract
No abstract record available.
Inventors
- 👤 Straussler Nicholas Pe Sorrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:23
CPC Classifications
B; B63; B63B; B63B7/00; B63B7/06; B63B2007/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1935A
Cited
DE479564C
Cited
US1587710A
Cited
US1795976A
Cited
DE555128C
Cited
US2457002A
Cited
GB596203A
Cited
US2745118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |