US974542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support for disappearing doors.
Assignee: Grand Rapids Show Case Co
•
Filing: 1909-08-05
•
Granted: 1910-11-01
•
Expires: 1929-08-05
Abstract
No abstract record available.
Inventors
- 👤 Anthony Vanderveld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:36
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/56; E05D15/58; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E05Y; E05Y2900/00; E05Y2900/20; E05Y2900/212
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1913-10-31 | 1914-05-02 | 1914-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-10-31 | 1918-05-02 | 1918-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-10-31 | 1922-05-02 | 1922-11-01 | $7700.00 | Window Closed / Lapsed |