Patent US2560858A successfully refreshed from Google Patents.
US2560858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Venetian blind
Assignee: Individual
•
Filing: 1947-10-13
•
Granted: 1951-07-17
•
Expires: 1967-10-13
Abstract
No abstract record available.
Inventors
- 👤 William B Grogan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:48
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/38; E06B9/384; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/398
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1910335A
Cited
US2100648A
Cited
US2086461A
Cited
US2111980A
Cited
US2166301A
Cited
US2224943A
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US2391904A
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US2485217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |