US634189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curtain-operating device.
Assignee: Individual
•
Filing: 1897-09-13
•
Granted: 1899-10-03
•
Expires: 1917-09-13
Abstract
No abstract record available.
Inventors
- 👤 Louis B Smyser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:43
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/56; E06B9/58
Claims Analysis
Total Claims: 0
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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) | 1902-10-03 | 1903-04-04 | 1903-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-10-03 | 1907-04-04 | 1907-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-10-03 | 1911-04-04 | 1911-10-04 | $7700.00 | Window Closed / Lapsed |