Patent US1688563A successfully refreshed from Google Patents.
US1688563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shade-roller construction
Assignee: Individual
•
Filing: 1927-02-18
•
Granted: 1928-10-23
•
Expires: 1947-02-18
Abstract
No abstract record available.
Inventors
- 👤 John K Tomlinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:30
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/56; E06B9/80; E06B9/82; E06B9/90
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) | 1931-10-23 | 1932-04-23 | 1932-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-10-23 | 1936-04-23 | 1936-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-10-23 | 1940-04-23 | 1940-10-23 | $7700.00 | Window Closed / Lapsed |