US2605494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinged cover for bulkheads
Assignee: Individual
•
Filing: 1950-07-22
•
Granted: 1952-08-05
•
Expires: 1970-07-22
Abstract
No abstract record available.
Inventors
- 👤 Jr George W Lyons
- 👤 Robert J Lyons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:15
CPC Classifications
E; E05; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/1041; E05F1/1066; E05F1/1075; E05Y; E05Y2999/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US533205A
Cited
US926298A
Cited
US1073003A
Cited
US1090697A
Cited
US1606621A
Cited
US1721308A
Cited
US2129750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |