US2578291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat fender
Assignee: Individual
•
Filing: 1948-06-04
•
Granted: 1951-12-11
•
Expires: 1968-06-04
Abstract
No abstract record available.
Inventors
- 👤 Jr David H Dickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:38
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)
US461759A
Cited
GB191304234A
Cited
US1704768A
Cited
US1896277A
Cited
US1881231A
Cited
US2230333A
Cited
US2259440A
Cited
US2417849A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |