US2494445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pontoon
Assignee: RTX Corp
•
Filing: 1945-11-30
•
Granted: 1950-01-10
•
Expires: 1965-11-30
Abstract
No abstract record available.
Inventors
- 👤 Constand A Moeller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:14
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/52; B64C2025/325
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1255787A
Cited
US1317741A
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US1332739A
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US1241622A
Cited
US1337579A
Cited
US1471560A
Cited
US1445486A
Cited
US1522457A
Cited
FR571607A
Cited
US1748337A
Cited
FR664414A
Cited
US2064674A
Cited
US2265206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |