Patent US4381367A successfully refreshed from Google Patents.
Patent US2585627A successfully refreshed from Google Patents.
US2585627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vision light metal slat rolling door
Assignee: Cornell Iron Works Inc
•
Filing: 1948-09-17
•
Granted: 1952-02-12
•
Expires: 1968-09-17
Abstract
No abstract record available.
Inventors
- 👤 Milton L Cornell
- 👤 Rowland K Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:49
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/02; E06B9/08; E06B9/11; E06B9/17; E06B9/15; E06B2009/1505; E06B2009/1527
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |