US2417849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller fender for pontoons
Assignee: Individual
•
Filing: 1945-09-26
•
Granted: 1947-03-25
•
Expires: 1965-09-26
Abstract
No abstract record available.
Inventors
- 👤 Frank J Walters
- 👤 Homer B Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:38
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/20; E02B3/26; Y; Y02; Y02A; Y02A30/00; Y02A30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-24 | 1950-09-23 | 1951-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-24 | 1954-09-23 | 1955-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-24 | 1958-09-23 | 1959-03-25 | $7700.00 | Window Closed / Lapsed |