Patent US2497784A successfully refreshed from Google Patents.
Patent US1978152A successfully refreshed from Google Patents.
US1978152A
Expired / Lapsed
US
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Traverse roller for venetian blinds
Assignee: KANE Manufacturing CO
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Filing: 1931-05-12
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Granted: 1934-10-23
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Expires: 1951-05-12
Abstract
No abstract record available.
Inventors
- 👤 Ward Lawrence Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:05
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; Y; Y10; Y10S; Y10S160/00; Y10S160/17
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) | 1937-10-22 | 1938-04-23 | 1938-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-10-22 | 1942-04-23 | 1942-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-10-22 | 1946-04-23 | 1946-10-23 | $7700.00 | Window Closed / Lapsed |