Patent US4655909A successfully refreshed from Google Patents.
US729630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction holding device for spring-actuated shades.
Assignee: Curtain Supply Co
•
Filing: 1901-05-25
•
Granted: 1903-06-02
•
Expires: 1921-05-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Milans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:51
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/52; E06B9/54
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) | 1906-06-01 | 1906-12-01 | 1907-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-06-01 | 1910-12-01 | 1911-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-06-01 | 1914-12-01 | 1915-06-02 | $7700.00 | Window Closed / Lapsed |