US2910180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screen deck structure
Assignee: WS Tyler Inc
•
Filing: 1955-03-07
•
Granted: 1959-10-27
•
Expires: 1975-03-07
Abstract
No abstract record available.
Inventors
- 👤 Walter J Parks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:58
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/46; B07B1/48; B07B1/49; B07B1/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US208773A
Cited
US1434437A
Cited
US2172551A
Cited
US1937486A
Cited
US2374775A
Cited
US2456075A
Cited
US2540388A
Cited
US2636607A
Cited
US2790552A
Cited
US2703649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |