US2456086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible boat and method of making the same
Assignee: Aerojet Rocketdyne Holdings Inc
•
Filing: 1945-05-17
•
Granted: 1948-12-14
•
Expires: 1965-05-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Chester F Schwall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:04
CPC Classifications
B; B63; B63B; B63B7/00; B63B7/06; B63B7/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US671502A
Cited
US1456168A
Cited
US1570470A
Cited
US1686366A
Cited
US1749711A
Cited
US1860609A
Cited
US2150420A
Cited
US2370069A
Cited
US2390199A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-14 | 1952-06-14 | 1952-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-14 | 1956-06-14 | 1956-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-14 | 1960-06-14 | 1960-12-14 | $7700.00 | Window Closed / Lapsed |