Patent US2903251A successfully refreshed from Google Patents.
US2903251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional deck construction having spaced overlaps
Assignee: KGI Inc
•
Filing: 1955-10-05
•
Granted: 1959-09-08
•
Expires: 1975-10-05
Abstract
No abstract record available.
Inventors
- 👤 Griffin C Thrift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:22
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/163
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR619029A
Cited
FR885548A
Cited
US2611457A
Cited
US2693949A
Cited
US2702696A
Cited
GB734759A
Cited
US2681219A
Cited
US2772080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |