US735540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for attaching window-shades to rollers.
Assignee: Charles Parker Co
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Filing: 1902-09-02
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Granted: 1903-08-04
•
Expires: 1922-09-02
Abstract
No abstract record available.
Inventors
- 👤 William H Lyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:15
CPC Classifications
B; B44; B44C; B44C7/00; B44C7/02; B44C7/022; A; A47; A47G; A47G5/00; Y; Y10; Y10S; Y10S411/00; Y10S411/921
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) | 1906-08-03 | 1907-02-02 | 1907-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-08-03 | 1911-02-02 | 1911-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-08-03 | 1915-02-02 | 1915-08-04 | $7700.00 | Window Closed / Lapsed |